226 THE CEPHALOPHORA. § 201. 
Famity: PoramMopuina. 
Genera: Rissoa, Paludina, Ampullaria, Ceratodes, Valvata. 
SUB-ORDER V. PULMONATA. 
Famity: AMPHIPNEUSTA. 
Genus: Onchidium. 
Famity: LyMNnagacea. 
Genera: Lymnaeus, Planorbis, Amphipeplea, Physa. 
Famity: Heticrna. 
Genera: Helix, Caracolla, Succinea, Bulimus, Achatina, Clausilia. 
Famity: Limactna. 
Genera: Limaz, Arion, Testacella, Parmacella. 
Famity: AURICULACEA. 
Genus: Auricula. 
Famity: Opercunata, 
Genus: Cyclostoma. 
BIBLIOGRAPHY. 
Cuvier. Mémoires pour servir 4 ]’Histoire et 4 l’Anatomie des Mollusques. 
Paris 1817. A collection of monographs upon Clio, Hyalea, Pneumoder- 
mon, Tritonia, Doris, Scyllaea, Aeolis, Glaucus, Thetis, Phyllidia, Pleuro- 
branchus, Aplysia, Bullaea, Bulla, Limax, Helix, Dolabella, Testacella, 
Parmacella, Onchidium, Lymnaeus, Planorbis, Phasianella, Janthina, 
Paludina, Turbo, Buccinum, Sigaretus, Haliotis, Fissurella, Emarginula, 
Patella, Chiton, and Carinaria. Most of these appeared separately in the 
Ann. du Muséum d’Hist. Naturelle. 
Meckel LBeitrage zur vergleichenden Anatomie. Bd. I. Hft. 1, 2, 
Deutsches Archiv fur die Physiologie, Bd. VIII. p. 190, and Archiv fur 
die Anatomie und Physiologie, 1826, p. 13, containing anatomical details 
upon Thetis, Doris, Diphyllidia, &e. 
Wohnlich. De Helice pomatia. Wirceburg, 1818. 
Leue. De Pleurobranchaea. Diss. Halae, 1813. 
Kosse. De Pteropodum ordine. Diss. Halae, 1813. 
Feider. De Haliotidum structura. Diss. Halae, 1814. 
Stiebel. Lymnaei stagnalis anatome. Diss. Gotting. 1815. 
Deshayes. Anatomie du genre Dentale, in the Mém. de la Soe. d’Hist. 
Nat. de Paris, IL. 1825. 
Rang. Observations sur le genre Atlante. Ibid. III. 1827, p. 372. 
An Abstract of both treatises may be found in the Isis. 1832, p. 462, 471. 
