IV CONTENTS. 



Page 

 live normal position of Bivalve Molluscous 

 Animals. By M. Alcide D'Orbigny, . 162 

 Symmetrical Shells, . , . .164 



Unsymmetrical Shells, . , . .165 



XXI. Report of the Researches of M. Agassiz dur- 

 ing his last two sojourns at L' Hotel des 

 Neuchatelois, upon the Lower Glacier of 

 the Aar, in the years 1841 and 1842. By 

 M. E. Desor, 

 XXII. Meteorological Tables for 1843, 



Earthquake in the West Indies, . 

 Second Earthquake in the West Indies, . 

 XXIII. On the Generation of the Polygastric Infuso 



ria. By Professor Owen, F.R.S., &c. 

 XXIV. Scientific Intelligence — 190 



1. Continued Daylight within the Arctic Circle, 



190. 2. Dr Hope's attempt to explain the Phe- 

 nomena of the Freezing Cavern of Orenburg, 



191. 3. Division of Seasons of Demerara and 

 Essequebo, British Guiana, 194. 4. Magdalena 

 Bay in Spitzbergen, 195. 



XXV. New Publications, . . . ' .199 



XXVI. List of Patents for Inventions granted for 

 Scotland from 23d March to 23d June 1843 

 inclusive, ..... 202 



166 

 178 

 180 

 184 



185 



Ekbata In the Proceedings of the Royal Society in the last Number of this Journal, 

 In the abstract of Dr Davy's paper, p. 378 — 



Line 7 for influence rtad inference, 

 11 ,,, cork ... coak. 



19 ... mixture ,,. nature. 

 22 ... cork ... coak. 



