ril CONTEN^TS. 



PA6& 



Class II. Gasteropoda. Order II. Pulmonifera 285 



Segtiox a. Inopergulata 285 



Fam. I. Heliciclce. — Helix, Yitrina, Succinea, Bulimus, 

 Achatina, Pupa, Gylindrella, Balea, TornateUina, Paxillus, 

 ClausiHa 288 



Fam. II. Limacida. — Limax, Anadenus, Incilaria, Arion, 

 Pannacella, Janella, Aneitea, Parmarion, Tribonioplionis, 

 Viquesnelia, Testacella 295 



Fam. III. Oncicliadce. — Oncidium, Vaginulus 299 



Fam. rV. Limnceidce. — Limna;a, Chilinia, Physa, Ancylus, 

 Planorbis 300 



Fam. V. AuricuUdce. — Auricula, Conovulus, Carychium 

 (Siphonaria) 303 



Section B. Opergitlata 305 



Fam. VI. Cyclcstomidce. — Cyclostoma, Ferussina?, Cyclo- 



phorus, Pupina, Helicina, Stoastoma 306 



Fam. YII. Aciculidce. — Acicula, Geomelania 310 



Order III. Opistho-branghiata 311 



Segtion a. Tegti-branghiata 312 



Fam. I. Tornatellidce. — Tornatella, Cinulia, Ringicula, Grlo- 

 biconcha, Varigera, Tylostoma, Pterodonta ?, Tornatina ?. . 312 



Fam. II. Bullidce. — Bulla, Acera, Cylichna, Kleiaella?, 

 Ampliispliyra, Buccinulus, Aplustrum, Scaphander, PM- 

 line, Doridium, Gastropteron, Pliysema 315 



Fam. III. Aplysiada.^Ar^ljsia,, Dolabella, Stylocheilus, 

 Dolabrifera, Siphonopyge, Notarchus, Icarus, Lobiger .... 320 



Fam. rV. FleurohranehidcB. — Pleurobranchus, Postero- 

 brancliaea, Runcina, Neda, Susaria, Umbrella, Tylodina . . 322 



Fam. V. FhillidiadcB. — PhyUidia, Fryeria, HypobrancMaea, 

 DiphyUidia 324 



Section B. Nudibranghiata 325 



Fam, VI. Doridce. — Doris, Heptabranchus, Hexabranchus, 

 Atagema, Actinocyclus, Chromodoris, Asteronotus, Glos- 

 sodoris, Goniodoris, Triopa, ^girus, Thecacera, Polycera, 

 IdaUa, Ancula, Ceratosoma, Treyelyana, Crimora, Pelagella, 

 Gymnodoris, Acanthodoris, Casella, Bracbycblamis 328 



Fam. VII. TritoniadcE. —Txiiojnsi, ScyUeea, Tetbys, BorneUa, 

 Dendronotus, Doto, GeUina, Melibcea, Lomanotus 332 



Fam. VIII. JEolidce. — ^olis, Glaucus, Fiona, Embletonia, 

 Calma, Favorinus, Galvina, Cutbonia, Filurus, Proctonotus, 

 Antiopa, Hermeea, Aldeiia, Cbioriera 335 



