INDEX. 



250 



OSCANIUS Leach. . 191, 212 

 Ossiania Monts., . . 2 

 Oattiani Kob., (Philine), . 15 

 Ossiansarsi Friele (Philine), 1 4 

 Ovalis Cpr. (Umbr.), . 177 



Ovalis Pse. (Pleurobr.), . 202 

 Ovata Jeffr. (Retusa), . 233 



OXYNOEID^E, . . . 161 



OxYNOERaf., . . .162 



Pacifica Pse. (Dolabrifera), 122 

 Pacificum Bgh. (Gastro- 



pteron), . . .42 

 Panaraensis Pils. (Tethys), . 88 

 PARAPLYSIA Pils., . . 115 

 Parthenopia Oken., . . 39 

 Parviplica Dall (Torn.), . 232 

 Parvula Mch. (Aplysia), . 83 

 Parvus Hedl. (Pugnus), . 234 

 Patagonicus Orb.(Pleurobr.) 200 

 Patelloidea Cantr. (Parmo.), 187 

 Patinaria Guppy (Haliot.), 210 

 Patula Jeffr. (Philine), . 11 

 Patulus Risso (Scaphander), 13 

 Peasei Pils. (Tethys), . . 95 

 Pectinata Dillw. (Bulla), . 12 

 Pelta Quatref., . .171, 239 



PeltidcB 170 



Pellucidus Ad. (Lobiger), . 167 

 Pellucidus Pse. (Pleurobr.), 203 

 Perforatns Ph. (Pleurobr.), 197 

 Peronii Blv. (Dolabella), . 153 

 Peronii Cuv. (Pleurobr.), . 207 

 Perviridis Pils. (Aplysia), . 81 

 PETALIFERA Gray, . . 128 

 Petalifera Rang (Aplysia), . 129 

 Petersonii Gray (Aplysia), . 113 

 Petersoni Sowb. (Aplysia), . 70 

 PHANEROPHTHALMUS Ad., 38 

 Philippi Krohu (Lobiger), . 167 

 PHILINE Asc. . . 1,2, 238 

 Phyline, .... 2 

 PHILINID^, . . vi, 1 

 Philinopsis Pse., 44, 56, 1 

 PHYCOPHILA Ad., . 68, 114 

 PHYLLAPLYSIA Fisch., . 132 

 Picta Pse. (Lobiger), . 169 



Pictum Ad. (Operc.), . 183 



Pictum Ad. (Umbr.), 

 Pictus Pse. (Lobiger), 

 Piperata Smith (Aplysia) . 

 Planata Dall (Philine), 

 Planciana Lam. (Bullsea) . 

 Pleii Rang (Aplysia), 

 Pleii Rang (Notarchus), 

 PLEUROBRANCHID.E, 170, 

 PLEUROBRANCH^A Leue, 



191, 



Pleurobranchidium Blv., . 

 Pleurobranchillus Bergh, . 

 PLEUROBRANCHUS Cuv., . 

 Placobranchus Gray, . 

 Plicatulum Mts. (Umbr.) . 

 Plumula Mont. (Bulla), 

 Plumula Mont. (Pleurobr.), 

 Plumula Vayss. & Bergh. 



(Pleurobr.), . 

 Plumulatus~Loc. (Pleurobr.), 

 Polaris Auriv. (Philine), . 

 Poliana Chiaje (Aplisia), . 

 Polyomrna Mch.(Notarchus) 

 Porosa Leach (Berth ella) . 

 Posterobranchcea Orb., 

 Poster -obranchus Roch., 

 Prasina Mch. (Pelta), 

 Protea Rang (Aplysia), 

 Pruinosa Clark (Philine), . 



PSEUDAPLYSIA Pils., . 



PTERYGOPHYSIS Fisch., 162, 

 PUGNUS Hedley, 

 Pulmonica Gld. (Aplysia), . 

 Punctata Ad. (Bulla), 

 Punctata Clark (Philine), . 

 Punctata Cuv. (Aplysia) . 

 Punctata Phil. (Bulla) 13, 

 Punctata P?e. (Syphon ota), 

 Punctatus Ph. (Notarchus), 

 Punctatus Q. & G. (Pleu- 

 robr.), . 



Punctilucens Bgh. (Aglaja), 

 Punctilucens Bgh. (Do rid.), 

 Punctulata Raf. (Tylo.), . 

 Punctulata T.-C. (Phyll- 

 aplysia), .... 

 Purpurea Bgh. (Aglaja), . 

 Purpureum Bgh. (Dorid.) . 



183 



170 



115 



24 



11 



14S 



148 



190 



223 

 223 

 '221 

 191 

 114 

 178 

 194 

 193 



195 



194 



22 



70 



139 



194 



44 



239 



173 



78 



26 



131 



169 



233 



96 



14 



17 



70 



14 



95 



137 



205 

 54 

 55 



186 



131 

 52 

 52 



