72 



REPORTS. ETC. INDEX OP SUBJECTS. 



Befractiye indices for the standard rays of 

 the sokr spectrum in different media, Eev. 

 Prof. Powell on the, 1839, i. 

 Registration of deaths, report on, 1835, 251. 

 Reichenbach's circle, 1831-32, 133. 



water -pressure engine, 1848, 12. 



Reptiles, Rev. L. Jenyns on the state of 

 knowledge respecting, 1834, 172. 



of Ireland, W. Thompson on the, 1840, 



383, 4c6. 



of North America, Sir J. Richardson 



on the, 1836, 197. 



of Dukhun.Col.Sykesonthe, 1837,251. 



, on the skull of, by Prof. Owen, 1846, 



190, 203. 



, list of, for observing the periodical 

 phenomena of, 1845, 329, 336 ; 1850, 

 342. 



, fossil, British, Prof. Owen^s report on, 



1839,43-126:— 

 Introduction. 



Part I. Enaliosauria, general characters 

 of the order, 45. 

 Characters of the genus Plesaosaurus, 



49. 

 Plesiosaurus Hawkinsii, 57. 



dolichodeirus, 60. 



macrocephalas, 62. 



Wachycephalus, 69. 



macromus, 72. 



pachyomus, 74. 



arcuatus, 75. 



subtrigonus, 77. 



trigonus, 78. 



brachyspondylus, jS. 



costatus, 80. 



doedicomus, 81. 



rugosus, 82. 



grandis, 83. 



■ trochanterius, 85. 



affinis, 86. 



Characters of the genus Ichthyo- 

 saurus, 86. 

 Ichthyosaurus communis, loS. 



intermedins, 110. 



platyodon, 112. 



lonchiodon, 116. 



— • tenuirostris, 117. 



acutirostris, 121- 



latifrons, 122. 



latimanus, 123. 



thyreospondylus, 124. 



trigonus, 124. 



Ocmcluding observatioos, 125. 



^, Part II. 1841, 60:— 



Pliosaurus, 60. 

 Order Crocodilia : — 

 Crocodilus Spenceri, 6^. 

 Suchosaurus cultridens, 67. 

 Goniopbolis crassidens, 69. 

 Teleosaurus, 72. 



Chapmanni. 



Cadomensis. 



asthenodeirus. 



Steneosaurus, 82. 



brevirostris (rostro-minor), 82. 



Reptiles, fossil, continued (1841). 



Poikilopleuron Bucklandj, 84. 



Streptospondylus, 88. 



Cuvieri, 88. 



major, 91. 



Cetiosaurus, 94. 



brevis, 94. 



brachyurus, 100. 



medius, 100. 



longus, 10 1. 



Order Dinosauria, 102 : — 



Megalosaurus, 103. 



Bucklandi, 103. 



Hylseosaurus armatus, iii. 



Igiianodon Mantelli, 120. 

 Order Lacertilia, 144 : — 



Mosasaurus, 144. 



Hofmanni, 144. 



Leiodon, 144. 



aiiceps, 144. 



Raphiosaurus, 145. 



— — subulidens, 145. 



Lacerta, sp. ind., eocene, 145. 



, sp. ind. (alHed to Scincos), 



oolite, 145. 



Rhynchosaurus, 145. 



articeps, 145. 



Thecodonts, 153. 



Thecodontosaurus antiquus, 153, 



Palaeosaurus cylindrodon, 154. 



platyodon, 154. 



Cladyodon Lloydii, 155. 

 Order Pterosauria : — 



Pterodactylus macronyx, 1 56. 



, sp. ind., 156. 



Sauria incertse sedis : — 



Polyptychodon, 156. 



Rysosteus, 159. 

 Order Chelonia : — 



Testudinidae, 160. 



Testudo Duncani, 160. 



■ , sp. ind., oolite, 160. 



Emydidae, 160. 



Emys testudiniformis, 160. 



Platemys Bowerbankii, 163. 



Bullockii, 164. 



Mantelli, 167. 



Tretosternon punctatum, 165. 



Emys, sp. ind., Kimmeridge clay, 

 168. 



, sp. ind., new red sandstone, 



168. 



Trionyx, 168. 



, sp. ind., 168. 



Chelonidae, 168. 



Chelone planiceps, 169. 



obovata, 170. 



, sp. ind., Wealden, 172. 



pulchriceps, 172. 



Benstedi, 173. 



longiceps, 177. 



planimentum, 178. 



breviceps, 178. 



convexa, 178. 



subcristata, 179. 



latiscutata, 179. 



