INDEX OF SPECIES. 



501 



Phalcena (Bombyx) fidlonica, 64. 



(Nbctua) ancilla, 67. 



cajeta, 67. 



eocalus, 73. 



hypermnestra, 73. 



materna, 74. 



salaminia, 71. 



Phoccena communis, 4. 



Plectoteuthis grandis, 156, 158, 160, 165, 170. 



Prionurus funestus, 380, 384. 



occitanus, 380. 



Proboscidea, on the anatomy of female organs of the, 

 111-130. 



, comparison of the female organs of the, with 



those of other mammalia, 126. 



, external organs in the, 112. 



, genital organs in the, 114. 



— -, internal organs in the, 112. 



, position of the young in utero of, 129. 



, urinary organs in the, 113. 



Procoptodon goliah, 8. 



Purbia, n. gen., 70. 



discrepans, 71, 76. 



Rata, on the intestinal valve in the genus, 49-61 . 



Rana piipiens, 191. 



temporaria, 222. 



Ranodon sibiricus, 209, 210. 



Peptiles, now or lately living in the Society's Mena- 

 gerie, 215-222. 



Rhinoceros, on the male generative organs of the 

 Sumatran, 107-109. 



Rhinoceros indicus, 107, 108, 109. 



Rhytia cocale, 73, 76.' 



hypermnestra, 73, 76. 



materna, 74. 



Salamandrina perspicillata, 171. 



Schedophilus medusophagus, 223, 224. 



Scorpio, description of the muscular and endosksletal 

 system of, by E. J. Beck, 339. 



, appendages and sternal sclerites in, 339. 



, arthrodial membrane in, 341. 



, dorsal sclerites in, 339. 



, dorso-ventral muscles in, 348. 



, entosclerites in, 341, 342. 



, external skeleton in, 339. 



, internal skeleton in, 341. 



, longitudinal muscles in, 343. 



, muscles in, 343-359. 



Scotyio, muscles to the appendages in, 352. 



, muscles to the epimeron in, 355. 



, muscles to the pericardium in, 357. 



, muscles to the pharynx in, 356. 



, muscles attached to the plastron or first 



entochondrite, 349. 



, muscles attached to the preoral entosclerite 



in, 351. 



, muscles attached to the suprapectinal chon- 



drite in, 351. 



, plastron or prcsomatic entochondrite in, 342. 



Scorpio americanus, 377. 



cyaneits, 377, 378, 382, 384. 



italicus, 339, 378, 383. 



Scorpio and Limidus, comparison of the muscular 

 and endoskeletal systems of, and consideration of 

 the morphological significance of the facts 

 recorded, by E. Pay Lankester, 361. 

 Scorpions, notes on certain points in the anatomy 

 and generic characters of, by E. Pay Lankester. 

 372. 



, generic and subgeneric characters of, 375. 



, systematic arrangement of, 379. 



, venous system in, 372-375. 



ScylUum canicula, intestinal valve in, 57. 

 Sea-lion, Californian, see Otaria gillespii. 

 Sepia australis, 137. 



elegans, 134. 



latimanus, 134. 



longimanus, 137. 



officinalis, 136, 137. 



palmata, 134, 136, 137, 168. 



Sepiola grantiania, 139. 



oweniana, 139, 168. 



Sepioteutliis brevis, 137, 168. 



Seppia unguiculata, 155. 



Sieboldia maxima, endocranium of, 175. 



, investing bones of the skull of, 172. 



, recapitulation of the cranial elements of, 



and comparison with Menopoma, 178. 



, skull of, 172, 212. 



, visceral arches of, 175. 



Siren lacertina, 171, 199, 209. 



, cranial nerves of, 194. 



, endocranium of, 190. 



investing bones of the skull of, 187. 



, skull of, 187, 21 2. 



, skull of, characters peculiar to the, 1H4. 



