508 > INDEX. 
Pilumnus schrenkii, Pauis., 414. 
spongiosus, Nob., 414. 
trichophoroides, de Man, 414. 
var., 414. 
Vauquelini, Nob., 459; distrib., 415. 
vespertilio (Fabr.), 414. 
Pinnoteres=seq. 
Pinnotheres, Bosc, 466; lists, 415, 421. 
borradailei, Nob., 415. 
coutieril, Wob., 415. 
lutescens, Wob., 415. 
maindroni, Wob., 415. 
pectinicola, Biirg., 415. 
pernicola, Biirg., 415. 
pilumnoides, Wob., 466. 
purpureus, Ale., 415. 
Pinnotheride, 465; summary, 417. 
Placortis simplex, Schulze, 292, 385, 398 ; 
mentioned, 288, 383, 
semplex, Topsent, 292. 
Placospongia melobesioides, Gray, 387, 394 ; 
mentioned, 382. 
Plagusia depressa (Herbst), 416. 
var. tuberculata, Zam., 416. 
squamosa, Herbst, 416 ftnote. 
Plakinidee, 288, 292, 385, 393. 
Planes minutus (Zinn.), 416. 
Platophrys pantherinus (Riipp.), 485. 
Platycephalide, 484. 
Platycephalus indicus (Zinn.), 484. 
Platydoridide, 113. 
Platydoris, Bergh, 114; mentioned, 86, 87, 
114. 
incerta, Liiot, juv., 111; mentioned, 
87. 
Platypodia, Bell, 443. 
anaglypta (Heller), 443; distrib., 412, 
421. 
eristata (A. M.-Edw.), 418. 
granulosa (Leiipp.), 413. 
semigranosa (feller), 413. 
Plectorhynchus galerina (Forsk.), 481. 
Pleuroleura, Bergh, mentioned, 88. 
glabra, Eliot *, 88; mentioned, 86, 
87. 
ornata, Eliot, 88. 
Plexaura antipathes, Kélliker, 75. 
torta, Klunz., 75. 
Plocamopherus, F. 8. Leuckart, 102. 
maderze (Lowe) Leuckart, mentioned, 
102 ftnote, 103. 
Plocamopherus ocellatus, Riipp. § Leuck., 
102; mentioned, 86, 87, 104; phos- 
phorescence of, mentioned, 104. 
Plotosidee, 478. 
Plotosus anguillaris (Bloch), 478. 
Plumularia alternata, Nutting, 84. 
halecioides, Alder, 84. 
setacea (lis), 84. 
Plumulariide, 84. 
Podophtalmus= seq. 
Podophthalmus, Zam., 442. 
vigil (Fabr.) Lam., 442; distrib., 412, 
420, 
Peeciliidee, 479. 
Polycera, Cuv., mentioned, 101, 102. 
quadrilineata, Miill., mentioned, 101. 
Polyonix, Stimp., 263. 
biunguiculatus, Dana, 263. 
denticulatus, Pauls., 263. 
Polyplacophora, or Chitons, by E. R. 
Sykes, 31-34. ; 
Polypus, Schnew., 35. 
cranulatus, Lam., 36; mentioned, 30. 
horridus, d’Orb., 37 ; mentioned, 35, 
Horsti, Joubin, 38. 
macropus, Jtisso, 36 ; mentioned, 3d. 
sp., 86; mentioned, 35. 
vulgaris, Lam., 85; mentioned, 36. 
Polysiphonia bipinnata, Post. § Rupr., 
405. 
utricularis, Zan., 404. 
violacea, Grrev., 404. 
Polyzoa, tubular branches of, inhabited by 
Polychete worm, Chetopterus, men- 
tioned, 150. 
Polyzonia jungermannioides, J. dAg., 79; 
found on Sargassum dentifolium, men- 
tioned, 79. 
Pomacentride, 481. 
Pomacentrus cyanostigma, Riipp., 481. 
tripunctatus, Cuv. & Val., 481. 
Pomaside, 481. 
Pontodrilus Crosslandi, Deddard, men- 
tioned, 9. 
Porcellana, Lam., 265. 
ineequalis, Heller, 263. 
Porcellanide, 262. 
Perella acutirostris, Smitt, mentioned, 154. 
nitidissima, Hincks, mentioned, 177. 
plana, Hincks, mentioned, 154. 
saccata, Busk, 179. 
