CONTENTS. 



Ul 



PAGE 

 351 



351 

 354 



356 



359 



Art. XVU. Miscellaneous Observations on Animal Heat. 

 By John Davy, M.D., F.R.S.L. and E., 



1. On the Temperature of the Pelamides, . 



2. On the Temperature of Man in advanced Age, 



3. On the Effect of Air of different Temperatures 



on Animal Heat, .... 



4. On the Effect of Exercise on the Temperature 



of the Body, ..... 



XVIII. Researches on the Situation of Zones with- 

 out Rain, and of Deserts. By M. J. Four- 

 net, Professor in the Faculty of Sciences 

 of Lyons, .... 361 



XIX. Eighth Letter on Glaciers. Addressed to Pro- 

 fessor Jameson. By Professor Forbes, 375 

 Experiments on the Plasticity of Glacier Ice. 



XX. Extract from a Letter from Rev. George B. 

 Warren to Dr Davy, relative to a Sooty 

 Deposit on the Surface of the Sea, off the 

 Coast of Devon, .... 381 



XXI. On the Mammalia of the Counties of Aber- 

 deen, Banff, and Kincardine. By Wil- 

 liam MacGillivray, A.m., Professor of 

 Natural Hiscory in Marischal College and 

 University, Aberdeen. Communicated by 

 the Author, . . . .383 



XXII. Transition Rocks (Palaeozoic Rocks of Ro- 

 gers) of North America, . . 392 



XXIII. On the Biluchi Tribes inhabiting Sindh, in 



the Lower Valley of the Indus and Cutchi. 

 By Captain T. Postans. Communicated 

 by the Ethnological Society, . . 395 



XXIV. Scientific Intelligence : — 



METEOROLOGY. 



1. Climate of Kordofan, .... 402 



UYDBOGBAPUY. 



2. Depression of the Caspian. 3. Calling of the 



Sea 403 



GEOLOGY. 



4. Fossil Physeter Whale. 5. A recently disco- 

 vered Bed of Diamonds in Mexico. 6. Struc- 



