tONTENTS. lU 



Page 

 in the yeal-s 1841 and 1842. By M. E. 

 Desor. Concluded from Vol. XXXV., p. 3X3, 144 



Observations upon the Composition of Ice, . J 44 



Observations upon the Crevasses, . .147 



Observations upon Temperature, .149 



Observations upon the presence of Water in the 



interior of the Glacier, . . . I52 



Observations regarding the advance of the Glacier, 153 

 Observations on tlie changes of the Level of the 



Surface, . . , . 161 



XVI. Observations on the Planet Venns at the time 

 of its Superior Conjunction. By Thomas 

 Dick, Esq., A.M., . . . .164 



XVII. Suggestions for the better Ventilation of Sail- 



ing and Steam - Vessels. By Robert 

 Ritchie, Esq., F.R.S.S.A., &e., Civil-En- 

 gineer, Edinburgh. (Communicated by the 

 Royal Scottish Society of Arts), . .167 



XVIII. Notice of Observations on the Developemcnt 



of the Seminal Fluid and Organs of Genera- 

 tion in the Crustacea. By Harry D. S. Good- 

 sir, Conservator of the Museum of the Royal 

 College of Surgeons in Edinburgh. Com- 

 municated by the Author, . . . 183 

 XIX. Meteorological Tables for 1843, . . 186 

 Tidal Phenomena, .... 188 



XX. Proceedings of the Royal Society of Edin- 

 burgh. (Continued from Vol. xxxiv., p. 379), 190 



XXI. Scientific Intelligence — 



METEOROLOGY. 



1. On Electrical Sounds in the Alps. 2. Melting 

 of a Watch in the Pocket of a Man struck by 

 Lightning, without his b^ng injured, . 199 



GEOLOGY. 



■a. Rise of the Sea by sudden rise of a body of 

 Subterranean Water ; and Flowing of Water 

 of the Sea into the Land. 4. Early Rise of 

 the Nile in 1843. 5. Observations on the 

 dissemination of small Organic Bodies, still 

 living and active, in Asia, Australia, and 



