532 



INDEX. 



Planaria sangiiinea, 423. 



vdvee, 506. 



viridis, 418. 

 Planarians, marine, of New England, A. 



E. VeiTill, 459. 

 Planaridae, 503. 

 Planocera, 471, 474. 



elliptica, 467, 471. 



nebulosa, 472. 

 Planoceridae, 462, 494. 

 Planoceropsis, 471. 

 Plantain-eater, 337. 

 Platylejeunea, 264. 

 Pleuranthe, 270. 

 Pleuroclada, 268. 



albescens, 268. 



islandica, 268. 

 Plenrodictynm, 207, 211. 



lenticulare, 207, 215. 



problematicum, 211. 

 Pleuroschisma, 267. 

 Pleuroschismotypus, 267. 

 Plenrozia, 265. 



cochleariformis, 255, 265. 



conchsefolia, 255. 



gigantea, 255. 



subinflata, 255. 

 Podanthe, 272. 

 Podanthes, 272. 

 Podomitrium, 274. 



phyllanthus, 274. 

 Poecilochroa, 174. 



bilineata, 175. 



montana, 175. 



variegata, 174. 

 Polia, 387, 404. 



mandilla, 394. 



obscura, 419. 



verinicuhis, 407. 

 Polina, 387, 388. 



gliitinosa, 397. 



grisea, 398. 

 Polycelis, 477, 482. 



mutabilis, 493. 

 Polychoenis, 510. 



candatiis, 511. 

 Polycladidea, 460, 461, 501. 

 Polyotus, 266. 

 Polyscells variabilis, 480. 

 Polystemma, 387, 388. 



pulchrum, 388, 395. 



roseum, 388, 395. 

 Porella, 265. 



hawaiiensis, 254. 



laevigata, 254. 

 , porella, 265. 

 Porphyrio martinicus, 322. 

 Poseidon, 417. 



affinis, 428. 

 Potamolejetmea, 264. 

 Poule d'eau, 322. 

 Prasanthus, 272. 



snecicum, 272. 



Prawn, 353. 

 Preissia, 276. 



commutata, 276. 

 Prionolobus, 267. 

 Priouolejetinea, 264. 

 Procellariidas, 320. 

 Procerodes, 506. 



freqiiens, 506. 



ulvse, 506. 



wheatlandii, 506. 

 Progne dominicensis, 340, 349. 

 Prosthesima, 169, 172, 174. 



atra, 172. 



depressa, 173. 



ecclesiastica, 172, 173. 



ftmesta, 172. 



melancholica, 166, 172. 



propinqua, 173. 

 Prosthiostomidae, 496. 

 Prosthiostomum, 496. 



gracile, 496. 

 Proteid metabolism, Influence on, 2, 39. 

 Proteolytic action, 60, 63, 281, 286, 306. 

 Protocephalozia, 267. 

 Protoelastose, 25, 29, 37. 

 Protomyosinose, 142. 

 Pseudonenra, 275. 

 Psendotelphiisa dentata, 317, 353. 



tennipes, 353. 

 Psiloclada, 270. 



clandestina, 270. 

 Psittaci, 327. 

 Psittacidte, 327. 

 Pteropsiella, 267. 

 PtilidiefB, 265. 

 Ptilidium, 265. 



ciliare, 265. 

 Ptychanthus, 264. 

 Ptycholejnnea, 264. 

 Pycnolejeiinea, 264. 

 Pycnoscenus, 278. 

 Pylanis bicolor, 201. 

 Pythonissa, 177. 



imbecilla, 176, 177. 



Quartz, Etching a sphere and crystal of, 

 158. 



Eadula, 264, 269, 270. 



complanata, 264. 



javanica, 254. 



mannii, 254. 



reflexa, 254. 



xalapensis, 254. 

 Radulfe, 265. 

 Radulotypus, 264. 

 Eallidie, 322. 

 Ramier, 323. 



Black, 323. 



White-headed, 323. 

 Eana catesbiana, 310. 



vii'escens, 310. 



Nephrostomes of, 309. 



