I N D E X. 



487 



phag'ocytosis in the gills of Lamel- 



librancli, 2(W^. 

 Moore, J. E. S., observations on 



Amoiba, 1-40. 

 Moraria, characters of the new 



genus, 213. 

 Mus, new species of, 346. 

 Myriopocia, on the organization of the 



brain in, 63 ; of the ' Challenger' 



expedition, on the, 121. 

 My.'^is, on the development of the 



germinal streak of, 188. 

 Myzostoma, on two sp«^cies of, para- 

 sitic on Antedon phalangium, 70. 

 Nevisanus, characters of the new 



genus, 391. 

 Nipliona, new species of, 257. 

 Nymphaster, new species of, 94. 

 Nyphasia, new species of, 378. 

 Odontoi'hopala, remarks on the genus, 



53 ; new species of, 54. 

 Omaliidaj, on a new species ofj 394. 

 Origanaup, characters of the new 



genus, 4-32. 

 Ornithoptera, new species of, 294. 

 Oryzomys, new species of, 403. 

 Ostracoda, on the probable ancestral 



forms of the, 449. 

 Owsjannikow, Ph., on the embryo- 

 logy of the river-lamprey, 30. 

 Oysters, notes on, 261, 262. 

 Packard, A. S., on Aglia tau, 172. 

 Palfemonetes varians, on the ne- 



phridia and body-cavity of the 



larva of, 23G. 

 Palmipes, new species of, 100. 

 Papio, new species of, 47. 

 Parabrachytes, on the genus, 53. 

 Paragnia, characters of the new 



genus, 384. 

 Paragonaster, new species of, 97. 

 Parapasiphae, new species of, 166. 

 Paraphilus, characters of the new 



genus, 255. 

 Pararchaster, new species of, 76. 

 Parartotrogus, characters of the new 



genus, 210. 

 Pasiphae, new species of, 163. 

 Patellidre, on the branchial sense- 

 organs of the, 413. 

 Pedalion, on a new, 332. 

 Pedicellaster, new species of, 114. 

 Pelates, new species of, 356. 

 Pelecvpoda, on the classification of 



the, 156, 3.35. 

 Pentagon aster, new species of, 88. 

 Pentatomidse, on some allied, 38! >. 

 PerognathnS; new species of, 406. 



Persephonaster, notes on the genus, 

 81 ; new species of, 84. 



Petromyzon, on the embrvology of, 

 30. 



Phagocytosis in the gills of Iiamelli- 

 brancli Mollusca, on, 266. 



I'hanopleuron curtuni, note on, 242. 



Philus, new species of, 254. 



Phrynus, on a sensory organ on the 

 pedipalp of, 28. 



Phve, characters of the new genus, 

 164. 



Pisodus Oweni, on tlie skull of, 357. 



Placostyliis, on the range of, 435. 



Platylister, new species of, 418. 



Platysoma, new species of, 419. 



Pocock, 11. I., on the morphology of 

 the Arachnida, with notes on the 

 classitication of tiie group, 1 ; on 

 the Myriopoda of the ' Challenger ' 

 expedition, with remarks upon the 

 fauna of Bermuda, 121 ; on the 

 identity of some of the types of 

 Diplopoda in the British Museum 

 and on some new species of lulidas, 

 248 ; on a new species of tree trap- 

 door spider, 407 ; on Stomatopod 

 Crustaceans from the Australian 

 and China Seas, 473. 



Pcecilopsaltria, now species of, 52. 



I'olytretus, characters of the new 

 genus, .382. 



Polyzoa, on the marine, 175. 



Ponsonby, J. IL, on new species of 

 Mollusca, 19. 



Pontaster, new species of, 78. 



Porcupine, on a new, 229. 



Proulio, M. il,, on two species of 

 Myzostoraa parasitic on Antedon 

 phalangium, 70. 



Psathyrocaiis, characters of the new 

 genus, 168. 



Pseudidiops, new species of, 407 ; 

 nest of, 409. 



Pseudophilus, characters of the new 

 genus, 256. 



Psiloscelis, new species of, 420. 



Pteroloma, new species of, 356. 



Pupa, new species of, 20. 



Pycanum, new species of, 433. 



Pygoplatys, new species of, 431. 



Rliyiichocephalians, on some Jurassic 

 and Cretaceous, 204 



Ehynchota, new, 52, 53, 389, 430. 



Rippon, R. II. F., on a new transi- 

 tional form of Ornithoptera, 294. 



Rodents, on the development of the 

 tooth-rudiments in. 301. 



