METEOROLOGY.

EDINBURGH PRINTED BY JOHN GREIG

то

METEOROLOGY.

BY

DAVID PURDIE THOMSON, M.D.

GRAD. UNIV. EDIN.

LICENT. ROY. COLL. OF SURGEONS, EDIN.

"Homo, naturæ minister et interpres, tantum facit et intelligit, quan-
tum de naturæ ordine se vel mente observaverit: nec amplius scit nee
potest."

LORD BACON,-Nov. Organum, Aph. i.

WILLIAM

WILLIAM BLACKWOOD AND SONS,

EDINBURGH AND LONDON.

MDCCCXLIX.

39

HARVARD UNIVERSITY LIBRARY ALG 2015/1

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THE RIGHT HONOURABLE THE

VISCOUNTESS COMBERMERE,

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THE AUTHOR.