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APLYSIAN^ 



. — Two Genera. 





ApLYSIjE. 



Shield dorsal, semicircular, subcartilaginous. 





A. depilans, 



A. bresili, 



A. cainelus, 



A. pleii, 



' fasciata, 



' dactycomela, 



' alba, 



' citrini, 



' punctata, 



' protea, 



' napolitana, 



' undata, 



' ecaudata, 



' sorex, 



' poliana, 



' limacina, 



' teremida, 



' tigrina, 



' fusca, 



' longicauda, 



' gigas, 



' maculata, 



' longicornis, 



' viridis, 



' dolabrifera, 



' marmorata, 



' virescens, 



' rosea, 



' ascifera, 



' kerandrenii, 



' ferrusacii, 



' leachii, 



' petal ifera, 



' lessonii, 



' saviguana, 



' hassetlii. 



' unguifera, 









Dolabella. Shell oblong, slightly arched, hatchet-shaped, contracted, 

 heavy, callous; almost spiral on one side, and larger, flatter, and thinner on 

 the other. 



D. Rumpbii, 



D. fraeilis. 



SECTION II. PNEUMOBRANCHIiE. 



This section contains only one family, viz. Limaciana. 



LIMACIANA.— Five Genera. 



Onchidium. This genus has no shell. 

 O. typha?, O. Peronii. 



Parmacella. Lamarck has given a description of the animal of this 

 genus, but only mentions that the scutcheon contains a shell, without de- 

 scribing it. 



P. Oliveri. 



Limax. Lamarck merely mentions that the animal is "furnished with a 

 coriaceous, subrugose shield." 



L. rufus, L. albus, L. cinerus, L. agrestis. 



Testacella. Shell very small, external, rather ear-shaped, slightly 

 spiral at its summit; aperture very large, oval, obliquely dilated, the left 

 margin involute. 



T. haliotideus. 



