( 26 ) 
B. In the form of an ear. 
7. Hatyoris. Lam. 
Spire or spiral apex flat- 
tened, excedingly small. 
a. Halyotis, Lam. 
6. Padolla, Montf. 
A deep furrow with- 
in, forming a_ ridge 
without. PI, 6, fig. 4. 
c. Stomatia, Lam. 
Spire more promi- 
nent; shell deeper. 
Pl. 5, fig. 24. 
d, Stomatella, Lam. 
Whorls carinated. 
Pl. 5, fig. 22, 
8. Sicarntus. Adans. 
Ditto ; mouth very deep ; 
shell hidden within a spon- 
gy buckler. Pl. 5, fig. 25. 
9. Trstacrtta. Lam. 
Oval, spire very small ; 
semi-corneous, transpar- 
ent. Pl. 5, fig. 9. Pl. 6, 
fig. 7, 8,9. 
10. ParmAcELia. Cuy. 
Oblong, flat, with a 
slight commencement of a 
spire behind. P1.6. fig. 10. 
44. Virrina. 
HE.ico-timax. Feruss. 
Very thin, transparent, 
flattened. PI. 5, fig. 14. 
Draparn.s 
Pierced by a series of 
holes. Pl. 5, fig, 24. 
Almost all the holes ob- 
literated, 
No holes. 
ei Stee erhe 
No holes. 
The mouth (diminish- 
ed by the projection of 
the penultimate whorl of 
the spire) in the form of 
a crescent, broader than 
deep. 
(Megastomata.) 
Marine. 
Adhere to the rocks like 
limpets, but inhabit deep 
water, generally at ashort 
distance from the shore 
(14). V. Animal, p.. 7/, 
Coasts of Africa, Ani- 
mal unknown. 
? 
Animal unknown. 
Seas of warm chi- 
mates. 
V. Animal, p. 71. 
Terrestrial. South of 
France. 'Tenerifte.: 
V. Animal, p. 614. 
Terrestial, . Mesopo- 
tamia. 
V. Animal, p. 61. 
* 
Terrestial. ‘Those of 
Europe live in ‘humid 
places and are very 
small; those of warm 
climates are larger. 
(1) They are found on the coasts of Brittany, Asia Minor, Barbary, Western 
Africa, India, New Holland, New Zealand, and California. Luid and Scheuchyer 
report that they have found the Halyotis in a fossil state. 
Bertrand, in his Dic- 
tionnaire Orictologique, says that he possesses a shell of this Genus, brought from Vir- 
ginia, resembling a ferruginous stone. 
