INDEX. 



403 



Pharsalia, new species of, 279. 

 Philobota bimaculana, life-liistorv 



of, 360. 

 Phreoryctes, on the reproductive 



organs of, 389; new species of, 



394. 

 Phylactella, new species of, 79. 

 Pbysophore, on a new, 317. 

 Platypelis, new species of, 106. 

 Plceophysa, characters of the new 



genus, 318. 

 Pocock, R. I., on the genus Theatops, 



283 ; on Scolopendra valida and 



allied species, 335. 

 Polyzoa, on Australian, 13 ; of Mau- 

 ritius, 72; of the St. Lawrence, 



214. 

 Pompouia, new species of, 295, 371. 

 Porella, new species of, 221, 223. 

 Primitia, new species of, 405. 

 Probopyrus, characters of the new 



genus, 234. 

 Psanimophis, new species of, 327. 

 Pseudogobio, new species of, 432. 

 Psorospermium Hseckelii, notes on, 



233. 

 Pteralopex, characters of the new 



genus, 155. 

 Pteropus, new species of, 156. 

 Pyrgus, new species of, 207. 

 Rana, new species of, 345. 

 Reproduction, on the significance of 



sexual, 163. 

 Reptiles, new, 22, 101, 184, 322, 



343 ; on a collection of, from 



China, 165. 

 Retepora, new species of, 82. 

 Rhacophorus, new species of, 105. 

 Rhinocalamus, characters of the 



new genus, 322. 

 Rhinogobio, new species of, 432. 

 Rhinoptera, on an abnormal speci- 

 men of the dentition of, 281. 

 Richard, J., on the pelagic fauna of 



some lakes in Auvergne, 63. 

 Ridley, S. O., on Lophopus Leu- 



denfeldi, 159. 

 Rosenbergia, new species of, 280. 

 Sablon, L, d., on the formation of 



the antherozoids of the Hepaticae, 



455. 

 Salvin, 0., on new Lepidoptera, 90, 



209. 

 Saprolegnia ferax, on the infection 



of a frog-tadpole by, 162. 

 Scelotes, new species of, 102. 



Schizoporella, new species of, 76. 



Schnetzler, Prof. J. B., on the infec- 

 tion of a frog-tadpole by Sapro- 

 legnia ferax, 162, 



Scolopendra valida, description of, 

 325. 



Scrupocellaria, new species of, 73. 



Seeley, Prof H. G., on Tliecospou- 

 dylus Daviesi, and on the classifi- 

 cation of the Dinosauria, 61. 



Septastrfea, on the genus, and on the 

 identity of its type species with 

 that of Glyphastraea, 382. 



Shell-growth in Cephalopoda, re- 

 marks on, 298,376,421. 



Silybura, new species of, 184. 



Simocephalus, new species of, 328. 



Simotes, new species of, 169. 



Siphonops, new species of, 189. 



Smith, E. A., on an abnormal growth 

 in a species of Haliotis, 419. 



Smittia, new species of, 79. 



Snakes, new, 322. 



Soricidfe, on two new Indian, 427. 



Sormida, substitution of the generic 

 name, for Heteroclytomorpha, 193. 



Sponge, on a new freshwater, 313. 



Sponges, on the gemmules of some 

 marine siliceous, 457. 



Spongillae, on the survival of, after 

 the development of swarm-larvae, 

 340. 



Spongodes, new species of, 69. 



Squatina, new species of, 381. 



Starfishes, on a collection of, from 

 the region of Cape Horn, 384. 



Stephanopora, characters of the new 

 genus, 75. 



Stoliczkiella, characters of the new 

 genus, 173. 



Studer, Dr. Th., on new species of 

 Spongodes, 69. 



Syringosphaera, note on the genus, 

 11. 



Tachydromus, on the species of, 166. 



Temnopleuridse, on the anatomy of 

 the, 109, 



Teracolus, new species of, 417. 



Tei'rapin, on bot-larvae in the, 231. 



Theatops, on the genus, 283, 



Thecospondylus Daviesi, notes on, 

 61. 



Thomas, 0., on new mammals from 

 the Solomon Islands, 155 ; on four 

 new species of Didelphys, 158. 



Tibicen, new species of, 373. 



