INDEX. 



527 



Page 

 cupaiius, Cmi. S( VaL, 152 ; sig- 

 natus, Gunth., 153. 

 Polyaclms niarginicollis .... 463 

 Polycystina, remarks on ... . 288 

 Polyergus rufescens (PI. XYII.), 

 245 ; slaves of, 252. 



Polypterus 209 



Polystomella striatopunctata, nu- 

 cleus in 411 



Polyzoa, observations on British . 479 

 Poinpholyxophrys punicea, Archer 295 

 Porphyrio melanopterus . . 320, 505 



Poteriocrinus 53 



President's Anniversary Address 

 for 1876, 261 ; for 1877, 385. 



Priodon, ear-bones of 288 



Priopsis argyrozona, Cuv. ^ Val. 



(ftnote) ....'.... 143 

 Pristolepis, Jerdon, 139, 144 ; fas- 

 ciatus,i?^ee^., 144 ; malabai'icus, 

 Giinth.,\A4< ; marginatus, Jerc^OH, 

 144. 

 Prosthecosacter convolutus, 42 ; 

 iuflexus, 42. 



Pro tarn oeba primitiva 433 



Protista, Haeckel's view of . . . 261 

 Protogenes primordialis .... 428 

 Protomouas Huxleyi, 418 ; amyli, 



418. 

 Protomyxa aurantiaca .... 428 

 Pseudambassis, JBleeJe. (ftnote) . 139 

 Pseiidecheneis sulcatus, M'Clell. . 352 

 Pseudembryo of Echinoderms, re- 

 mark on 55 



Pseudetroplus, BleeJc. (ftnote) . . 141 

 Pseudeutropius acutirostris, Dai/, 

 347 ; atheriuoides, Blocli, 347 ; 

 garua, Sam. Buch., 347 ; goong- 

 waree, Si/lces, 347 ; longimanus, 

 Gilnth. (ftnote), 347 ; megalops, 

 GuntTi. (ftnote), 347 ; Mitchelli, 

 Gunth. (ftnote), 347 ; murins, 

 H. B., 347; Sykesii, Jerdon, 347 ; 

 taakree, Sykes, 347. 

 Pseudobagrus, BleeJc. (ftnote) . . 341 

 Pseudochlamys patella .... 393 

 Pseudogyps africanus, geog. distrib. 

 of, 11 ; map showing range of, 

 Pl.V.; bengalensis, geog. distrib. 

 of, 11 ; map showing range of, 

 Pl.V. 

 Pseiidorca, ear-bones of ... . 187 

 Pseudoscisena, Bleeh. (ftnote) . . 140 

 Pseudosihirus, Bleek. (ftnote) . . 342 

 Pseudospongasius, BleeTc. (ftnote) 342 

 Psolus ephippifer, Wy. Thomson, 



sp.n., 61 ; operculatus, 61. 

 Pteraster, develop, of, 56 ; mihtaris, 

 73. 



Page 

 Pterocryptes, Peters (ftnote) . . 342 

 Pterodactylus, bones of skull, com- 

 parisons of, 90,91; cerebral cavity 

 of, 87 ; hind limbs of, 104 ; how 

 grouped, 84 ; Kochii, patagial 

 membranes of, 103 ; longirostris, 

 brain of, 87 ; longirostris, com- 

 parison of bones of skull of, 90 ; 

 longirostris, vertebral column of, 

 94 ; scolopaciceps, skull of, 90. 

 Pteropus, malleus of low type . . 186 

 Ptilonopus aui-antiifrons, 503 ; co- 

 ronulatus, 320, 503 ; iozonus, 

 503. 

 Ptilorhis alberti, 501 ; magnifica, 



501. 

 Ptilotis analoga, Reiehenh. . . . 497 

 Pyxidicula operculata, Wirenb. . 394 



Quadrula symmetrica, Schulze . 395 

 Quinqueloculina fusca, Brady ; nu- 

 cleus in 411 



E-adiolaria, Cienk. on CoUosphsera, 

 426 ; Haeckel's observ. on struc- 

 ture of, 426 ; remarks on, 288. 

 Rallina plumbeiventris, Wall. . . 505 

 Rama, BleeTc. (ftnote), 341; Bu- 



chanani, BleeJc. (ftnote), 346. 

 Raphidiopln-ys elegans, 296 ; viri- 



dis, ArcJier, 297. 

 Eectes ferrugiuea, Bp. . . . 317, 499 

 Rhamphorhynchus Bucklandi, co- 

 racoid of, 98 ; Gemmingi, com- 

 parison of skull of, 90. 

 Ehinogryphus aura, geog. distrib. 

 of, 21 ; map showing range of, 

 PI. VI. ; californianvis, geog. 

 distrib. of, 24 ; map showing 

 range of, PI. VII. ; falklandicus, 

 geog. distrib. of, 24 ; map show- 

 ing range of, PI. VI. ; perniger, 

 geog. distrib. of, 23 ; urubitinga, 

 geog. distrib. of, 24; map show- 

 ing range of, PI. VII. 

 Ehinoscion, Gill (ftnote) . . . 140 



Ehipidura gularis, Milll 498 



Rhizocrinus lofotensis, Sars . . 54 

 Rhizopoda, Hertwig and Lesser's 

 versus Carpenter's definition of . 390 



, Schulze's hypothetical descent 



of 412 



Rhombostei-nus antennatus, Baly, 



sp. n., 460 ; gracLhcornis, Baly, 



sp. n., 461 ; sulphuripenuis, 



Suffr. MS., 459. 



Bhopalocera, on the male genital 



armature of 195 



Ehynchobdella, Cuv. Sf Val. . . 141 



