il CONTENTS. 



X. Account of the Capture and Death of a large Alli- 

 g-ator at Manilla in the Island of Luconia, one of 

 the Philippines, . . . .77 



XI. Researches on Embryology ; third Series : a Contri- 

 bution to the Physiology of Cells. By Dr Martin 

 Barry, ...... 84 



XII. On the frequency of Thunder- Storms in the Polar 



Reg-ions. By M. Von Baer, . . .90 



XIII. Notice of Elevated Sea-Beaches. By Alan Steven- 

 son, LL.B., F.R.S.E., Civil Engineer, . . 94 



XIV. On the difference of €ievel between the Dead Sea and 



the Mediterranean, . . . .96 



XV. Report on the Geology of Newfoundland. By J. B. 



Jukes, Esq., B.A., F.G.S., . . .103 



XVI. Comparative View of the Skulls of the various Abo- 

 riginal Nations of North and South America. By 

 S. G. Morton, Professor of Anatomy at Philadel- 

 phia, . . . . . .111 



XVII. On Earthquakes. By M. Edouard Biot, 139 



XVIII. Results of the last Russian Expedition, sent to de- 

 termine the difference of Level between the Black 

 Sea and the Caspian, . . . .144 



XIX. Notice of Professor Schouw's Work on the Climate 



and Vegetation of Italy, . . .147 



XX. On the Climate of the portions of Europe and Africa 

 which are situated between the Equator and 60° 

 North Latitude. By Professor Schouw, . 150 



1. Thermographical Conclusions, . . .150 



2. Hyetographical Conclusions, . . . 151 

 XXI. Researches on the Vital Heat of Cold-blooded Ani- 

 mals. By M. Dutrochet, . . .152 



XXII. Extraordinary Land-Slip and great Convulsion of 

 the coast of Culverhole Point, near Axmouth. By 

 the Rev. W. D. Conybeare, . . 160 



XXriI. On the Lines of the Ancient Level of the Sea in Fin- 

 mark. By M. Bravais, . * .164 



liXIV. Death of Olbers, . . . .166 



