CONCHOLOGY. 97 
A. dolabrifera. A. Kerandrenii. 
A. ascifera.’ A. lessonii. 
A. petalifera. A. camelus. 
A. unguifera. A. alba. 
A. Limacina. A. Napolitana. 
A. Jeachii. A, viridis. 
A. saviguana. A. longicornis. 
A. fasciata. A. ecaudata. 
A. bresili. A. virescens. 
A. dactycomela. A. poliana. 
A. protea. A. fusca. 
A. sorex. A. pleii. 
A. tigrina. A. citrini. 
A. maculauta. A. undata. 
A. longicauda. A, rosea. 
A. Ferrusacii. 
FAMILY VI. 
Limactna. Five genera. 
1. Genus Zimazx. PI. X. 
Animal. Cuvier merely mentions that the animal is “fur- 
nished with a coriaceous, subrogose shield, with a flat, longitudi- 
nal disk beneath; four tentacula retractile, eyes at the tips; orifice 
for respiration on the right side.” 
Shell. Ovate oblong, both margins reflected; very thin, dia- 
phanous, slightly wrinkled, of a pale yellow colour. Inhabits the 
gardens in Britain and France. Five species. 
Limax rufus. Limax albus. 
L. cinerus. L. agrestis. 
* L. punctata. 
2. Genus Vitrina. Pl. X. 
Animal. Body creeping, elongated, snail shaped, nearly 
straight ; posteriorly separated from the foot, and spirally wound 
into a shell. 
Shell. Small, very thin, depressed, terminated above by a very 
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