102 CONCHOLOGY. 
H. inflecta.* _H. fallax.* 
H. clausa.* H. egena.* 
H. obstricta.* H. arboreus.* 
H. elevata.* H. glaphyra.* 
H. interna,* H. Thyroides.* 
H. chersina.* H. labyrinthica* 
H. gularis.* H. major.* 
H. ligera.* H. Pennsylvanica.* 
H. solitaria.* H. subglobosa.* 
H. jejuna.* H. Zaleta.* 
H. concava.* H. dentifera.* 
H. delabata.* 
2. Genus Carocolla. Pl. X. 
The Animal of this and the following genera of this family are 
precisely the same as in Helix. 
Shell. Orbicular, more or less convex or connoidal above ; the 
circumference or periphery angulated or keeled ; aperture trans- 
verse, contiguous to the axis of the shell; the right margin or lip 
subangular, often toothed or plaited beneath. Inhabits dry situa- 
tions in Europe and America. Twenty-two species. : 
Carocolla acutistima. Carocolla bicolor. 
C. albilabris. 
C. angistoma. 
C. labyrinthus. 
C. lucerna. 
C. inflata. 
C. hispidula. 
C. Gaulteriana. 
C. albella. 
C. Hydiana.* 
C. helicoides* (new sp 
co 
A 
ecies) 
Lea. 
. Mauritiana. 
. Madagascarensis. 
. Marginata. 
. lychnuchus. 
. planata. 
. planaria. 
. lapicida. 
elegans. 
aqgoeoaqaca 
C. grata.* 7 
C. Spinosa* (new species) 
Lea. 
3. Genus Achatina. Pl. X. 
Animal. See Helix. 
