CONTENTS. 



Page 

 A.RT. I. Memoir of the Life and Writings of the late Profes- 

 sor Blumenbach of Gottingen. By Professor K. 

 F. H. Marx, 221 



II. Observations on Solar . Radiation, made at Fort 

 Franklin in the years 1825, 1826, and 1827. By 

 John Richardson, M.D., F.R.S., and Inspector 

 of Naval Hospitals. Communicated by the Au- 

 thor, 240 



Remarks on the Preceding Paper. By Professor Forbes, 250 



III. Observations on the Progress of the Seasons as affect- 

 ing Animals and Vegetables at Martin's Falls, 

 Albany River, Hudson's Bay. By George Barn- 

 ston, Esq. Communicated by Dr Richardson, 

 F.R.S., Inspector of Hospitals, Haslar, . 252 



IV. On the Evaporative Power of different kinds of Coal. 

 By Andrew Fyfe, M.D., F.R.S.E., President of 

 the Society of Arts for Scotland. Communicated 



by that Society, 256 



Scotch Coal, 265 



Anthracite, ....... 267 



V. Notice of Delafosse's Memoir on Crystallography, 280 

 VI. Observations on the Glaciers of Spitzbergen, com- 

 pared with those of Switzerland and Norway. By 

 C. Martens, M.D., Member of the Northern Com- 

 mission. (Continued from page 177), . 284 



Causes of the annual Demolition of the Spitzbergen Gla- 

 ciers. — Arches in the Glaciers of Switzerland. — Glaciers 



