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of our native dialect. His parade of friends and acquaintance, abroad and at home; and his profufion of compliments, indiscriminately bestowed on almost every author and book that he mentions; will mortify more than flatter the persons concerned. We are sorry to be obliged to specify these defects in a work of sufficient merit to cover small imperfections : but, as it is our duty, in the character of critics, to indicate the several excellencies of an useful or amusing production, so it is incumbent on us, for the sake of the public taste, to point out to the author's own correction, in a future edition of the same work, or in writing another, such inaccuracies as disgrace his style,' or would deform the composition of any author.

The Italian words unexplained when incorporated with English are innumerable: as Villeggiatura, or retiring to a villa or country seat-Porpora, for the purple or popedom, &c.-imparted from the press -- Assisted at a performance, instead of being present, is a Gallicism not yet naturalized - Enthralling attention-take occasion. met my attention-invite (for engage) singers to visit them. P. 227, in speaking of Gravina, when, besides being learned, he is said to be amiable and frigid, there seems a clash of epithets. The author somewhat too frequently, perhaps, tells his readers that the letters and books which he quotes, or mentions, are lying before him; which, unless they be very scarce and curious, is taken for granted. Sig. Signorelli, in one of his valuable letters, with which he favoured me'- My learned and ingenious friend Cesarotti'-" The friendship of the accomplished governor of Perugia'- My lovely and accomplished friend the late Marchioness Rondini, &c. These are a few specimens of the author's parade of friendship, and excess of urbanity.

An Index, or at least a table of contents, is much wanted to this book ; and, perhaps, for English readers, a translation of passages cited in prose, as well as more frequent versions of poetical specimens given in the course of the work

As far as paper and types are concerned, the volume is beautifully executed ; and the plates, of which there are many, arc neatly engraved':--but on the correctness of the press we can bestow no praise ;-on the contrary, from the author (as it should seem) being in another kingdom, and perhaps never seeing the proofs, the Errata are innumerable for besides those discovered by Mr. Walker on perusing the work after the press was broken up; and which, collected, crowd a 4to page in a sinall letter; many still remain, that have escaped detection. - Candour, however, requires us to add that the faults of all kinds which we have mentioned are but slight : while the body

of the work, consisting of new and curious materials, is extremely interesting; and will be found, by those who wish to be acquainted with the Italian drama distinct from the opera, not only amusing but instructive.

D. B....y

Art. II. The Transactions of the Royal Irish Academy, Vol. VI. 4to. pp. 600. il. Is. Boards.

Dublin, 1797

London,
Elmsley.
IT
T is related of the Caliph Haroun Al Raschid that, while

Europe was engaged in fruitless theological controversies and in destructive wars, his ambassadors presented to Charlemagne, among other gifts, a clock of curious workmanship. Of equal value, and in somewhat of a similar conjuncture, is the present of the volume before us. From the midst of the tumults, the murders, and the conflagrations of Ireland, its Academy sends forth the fruit of its labours; and thus our attention is awhile diverted from scenes of confusion and guilt: for with the successful cultivation of science we associate pleasing images, peaceful retreats, and “ the soft obscurities of retirement."

The papers are divided, as heretofore, under the classes of SCIENCE, POLITE LITERATURE, and ANTIQUITIES. We shall consider them according to their subjects.

S ÇIENCE.
Alemoir on the Construction of Ships. By Sir George Shee,
Bart. M.R.I. A.

The object of this memoir is to suggest such improvements in the construction of ships as will cause them to sail faster, and will counteract their disposition to make lee-way. The author was first induced to suspect that ships built in Europe admitted of improvement, by observing the shape of vessels employed in the river Ganges, and on the different coasts of India. These vessels carry great burdens; and, according to the author's expression, great expansion' is common to them all; that is, they are more long and broad relatively to their depth, than our vessels are. During a voyage from Bengal to England, the suspicion of Sir G. S. was strengthened by remarking that the ship Rodney (in which he was embarked) sailed faster than any other Indiamen; which he attributes to the circumstance of her having b-en originally intended for a ship of much more considerable burden, but, on account of a temporary scarcity of timber, all her dimensions (except her length) were abridged. The defects noticed in ships transporting merchandice are, Ist, Their too great depth ; adly, Their shortness; for a ship

that

that wants length (says he) is impeded by its continual ascent and descent; moreover, the tendency of the action of the upper sails of a ship is not only to propel horizontally, but to elevate the stern and to depress the head; which elevation and depression must be more resisted, as the distance between the insertion of the mast and of the head and stern is greater, cæteris paribus. 3dly, The vessels are too narrow,

The remedy proposed for these defects is (as may be easily inferred) to give to the ships great horizontal expansion ; and for this end the construction of their hulls must be changed. The bows and sides are to be constructed very differently, as the end to be answered by them is very different; the one is to present as few points of resistance as possible, the other as many; the one is to facilitate the ship's passage, the other is to prevent her disposition to make lee-way: but, according to the present method of construction, a very small part of the ship's side is perpendicular to the horizontal pressure.

The author next controverts an argument of seamen and ship-builders, in favour of the depth of ships, founded on whať is technically called “ a gripe of the water below the power of the surge."

The alterations proposed by Sir George Shee are, in a few words, increase of horizontal dimensions, and a change in the form of the bows and sides. In regard to the form of the latter, they should resemble a large lee-board, used in Dutch vessels to prevent a disposition to lee-way.

Sir G. S. blames the construction of the vessels employed in carrying the mails from Dublin to Holyhead. Although they are expressly built for speed and accommodation, yet they require an absolute loading of ballast to prevent them from oversetting; and their draft of water is such that, although small vessels, they can only float on the Dublin Bar at a particular time of tide. From their want of length, and from their excessive depth, they sail so slowly, that a ship called the Favourite, a light, long vessel, fitted out by private indivi als, has made her passage to Holyhead in nine hours; when the two packets, which weighed anchor at the same time, occupied twelve hours in performing theirs.

These suggestions of the ingenious Baronet are, we think, deserving of notice ; for to England the perfection of naval architecture is of great moment :—but mere theory can perhaps effect little. The antients, who made very considerable progress in the art of constructing ships, seem to have relied citirely on observation and experiment.

Memoir on the Climate of Ireland. By the Rev. William Hamilton, M.R.I. A.

The object of this memoir is to prove that the winds, and particularly the westerly gales, have of late years blown over Ireland with a violence unknown to former times. The author appeals to what he calls the natural registers of the effects of the winds; viz. the trees of the country, the sands on the sea-coast, and the tides. It is well known that, formerly, pines, and particularly that species called the Scotch fir, grew on the northern and western coasts. Vast roots and trunks remain in places in which a twig even of the most hardy kind can now with difficulty be reared. In the counties of Westmeath and Antrim, Donegal, and on the coasts of Enishowen and Rosses, pines formerly arrived at the age of 120 years, and were more than a yard in diameter, and so feet in height. In regard to the sands, these have in many places overwhelmed houses and towns; witness, the ruins at the entrance of the river Bavnow in the barony of Forth, in the county of Wexford ; and the decaying state of the mansion-house of one of the noble families of Hamilton, situated in the peninsula of Rossgull, between the harbours of Sheephaven and Mulroy, in the county of Donegal. -The increase of the tides is well known to those who have had occasion to construct or to repair embankments.-A compensation for the evils arising from the prevalence and fury of the westerly winds is a more even temperature than Ireland formerly experienced; for the western winds blow over the waters of the Atlantic, which are less sensibly affected by the variations of cold and heat than land would be. From a baa lance of loss and gain, the author concludes that Ireland is ameliorated since the westerly winds have prevailed. In his own language :

• To sum up matters, then, with truth and brevity-A density of population, surpassing that of the vaunted millions of undepopulated France; a copious export trade in provisions of various kinds, unequalled by any kingdom whose inhabitants are proportionably numerous; and a staple manufacture unrivalled in general use, in certainty of produce, and intrinsic value ; are circumstances which have not fallen to the lot of other nations, and bring with them clear and irrefragable evidence to demonstrate a salubrious country, a genial climate, and a fertile soil in Ireland.'

The author conjectures that, as the westerly winds have raged since the destruction of forests in the time of James 1. these forests broke and mitigated the fury of the tempests; especially as the limits of stormy currents may be within 100 yards of the surface, sir.ce the lower mass of air often pursues a different course from the upper. Rey. May, 1799.

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Essay Essay on the best Means of ascertaining the Areas of Countries of considerable Extent. By the Rev. James Whitelaw, M. R.I.A.

Having shewn that the common projections (stereographic, conical, and circular) are unfit for mensuration, this gentleman proposes a method of determining, to a considerable degree of accuracy, the areas of maps on the conical and circular projections. The method proposed is briefly this: Draw the contour of the country, and observe what quadrilateral spaces lie within it*. The quadrilateral spaces form what is called the integral area, and that without it the fractional. The integral area is easily and accurately found, for the area of a zone included between two parallels is had by multiplying its sine in miles and decimals of a mile by 21600 (circumference of a great circle in such miles): divide this product by 360, and we have the value of a quadrilateral space. The fractional area is next computed, but by a method which we cannot well explain here.

Three Schemes for conveying Intelligence to great Distances, ly Signalt. By John Cooke, Esq. M. R. I. A.

We do not see any thing particularly worthy of notice in these schemes; they may be multiplied ad infinitum.

Observations on the Power of Painting to express mixed Passions. By the Rev. Michael Kearney, D. D. M. R.I. A.

This is a criticism on a remark of Sir Joshua Reynolds, concerning the impracticability of describing the expression of mixed passions. The memoir is short, and the criticism is given with considerable ingenuity and much modesty; yet, in our opinion, it will not overthrow the decision of the late President of the Royal Academy.

In the countenance, doubtless, may be discovered either permanent qualities or sudden emotions ; sweetness of temper, strength of inteilect, joy, despair, &c. The dignified form, the character of martial gallantry, and the marks of an amosous temperament, observable in the statue of Paris by Euphranor, might justify the assertion that in it could be discerned the judex Dearum, amator Helena, and interfector Achillis; whatever indication of inward emotion the countenance is capable of assuming, the percil of the painter may imitate :-but can it express the contest of different emotions? Can the soul be agitated by two different passions at the same instant ? If not, the countenance can exhibit, in one instant, the indication

Quadrilateral spaces are formed by the parts of two parallels of Latitude distant from each other one degree, and of two meridians distant one degree of longitude.

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