MUSEUM OF COMPARATIVE ZOOLOGY. 



481 



Periploma angulifera, I. 305, oOG. 

 fra^'ilis, 1. 1U7, SOG* 

 iiKoquivalvis, I. 305. 

 papyracea, I. 107, SOO* 

 papyratia, I. 300. 

 undiilata, I. 30G. 

 PeristichUi;\\. 2'd,339. 

 agria, II. 20, 340. 

 toreta, II. 20, 330, 340. 

 Perna, II. 450, 451. 



cphippium, II. 434, 442, 450. 

 Perotrocluis, II. 34, 397. 

 Perrieria, II. 200. 

 Persicula, II. 13, 136, U3. 

 catenata, II. 13, 143. 

 Persona, II. 220. 

 anus, II. 220. 

 Petaloconchus, II. 23, 262. 



irregularis, II. 262. 

 Petricola, I. 194, 276. 



divaricata, I. 194, 276. 

 Pharcidella, II. 29, 333, 334. 



Folinii, II. 29, 334. 

 Phasianella, II. 30, 302, 326, 351. 

 affinis, II. 351. 

 brevis, II. 30, 351. 

 concinna, II. 351. 

 concolor, II. 351. 

 inflexa, II. 326, 328. 

 pulchella, II. 351. 

 tessellata, II. 351. 

 umbilicata, II. 351. 

 Phasianema, II. 278. 

 Philine, II. 7, 57. 

 amabilis, II. 59. 

 angulata, II. 58. 

 aperta, II. 58. 

 Candeana, II. 58. 

 finmarchica, II. 57. 

 Jlexuosa, II. 7, 59. 

 infmdihuhim, II. 7, 57,* 58. 

 planata, II. 7, 58.* 

 quadrata, II. 57. 

 sagra, II. 58. 

 Phlegmodoris anceps, II. 453. 

 Pliorus, II. 290. 

 Phos, II. 15, 177, 178. 

 antillarum, II. 179. 

 Beaui, II. 15, 178,* 179, 180. 

 Candei, II. 15, 179. 

 erectus, II. 179. 

 Grateloupianus, 11. 179. 

 guadeloupensis, II. 178. 



VOL. XVIII. 



Phos intricatus, II. 15, 180. 

 pallidus, II. 178. 

 parvus, II. 15, 180, 22G. 

 Bcnticosus. II. 179, 180. 

 unicinctus, II. 15, 178. 

 vcraguaiinsis, II. 179. 

 Phyllidiopsis papilligera, II. 453. 

 Pliyllonotus, II. 17, 198, 199. 

 fulvcscons, II. 17, 198. 

 Imtricinus, II. 17, 200, 205. 

 interserratus, II. 17, 199, 200. 

 Pazi, II. 17, 199. 

 ponmm, 11. 17, 197, 198. 

 Pilidium fulvum, II. 412. 

 Piliscus Krebsii, II. 290. 

 Pisania, II. 15,i77. 

 ajthiops, II. 177. 

 coromandeliana, II. 180. 

 janeirense, II. 177. 

 maculosa, 11. 177. 

 pusio, II. 177. 

 striata, II. 177. 

 tranquebarica, II. 180. 

 undosa, II. 180. 

 Placophoridce, II. 416. 

 Platidia, I. 187, 204- 



anomioides, I. 187, 204* 

 V. radiata, I. 187, 204.* 

 Plectodon, I. 196, 299, 300 ; II. 395. 

 granulata, I. 300. 

 scaber, I. 295, 299. 

 V. velvetina, I. 300. 

 Plejona, II. 146. 

 Pleuronectia, I. 208. 



lucida, I. 211. 

 Pleurotoma, II. 8, 72, 303, 455. 

 acanthodes, II. 114. 

 albella, II. 188. 

 albida, 11. 8, 72, 73. 

 amblia, II. 92. 

 antillarum, II. 72, 111. 

 antonia, II. 116. 

 bandella, II. 116. 

 Barretti, II. 72. 

 buccinoides, II. 180. 

 calliope, II. 78. 

 caribaea, II. 111. 

 cataphracta, II. 80. 

 Catherinae, II. 100. 

 cedonuUi, II. 77, 78. 

 chariessa, II. 122. 

 chyta, II. 115. 

 circinata, II. 99. 

 31 



