FAMILY ill. SIGARETOIDA. 
4. SigArerus. Cuv. 
A notch and semi-canal 
in front, conducting the 
water into the branchial 
cavity. Pl. 14, fig. 15, 16. 
2. Crvyrerosroma. Blain. 
Foot enormous, four or 
five times larger than the 
GENERA. 
Tentacula conical. 
Tentacula short, co- 
nical, with appendages 
body; mouth hidden un- at thé base. 
der the anterior edge of 
the shell. 
ORDER VI. 
1, Haryoris. Lin. 
Shell turbinated. Pl. 5. 
fig. 24, 
a, Halyotis. Lam. (1) 
Mouth a short trunk. 
Pleas stic: 24. Pile 44: 
fig. 20. PI. 19, fig. 3 
bd 
2 
6. Padolla. 
c. Stomatia. (2) 
2. Carutus. Montif. 
Shell conical; branchize 
on the anterior edge of 
the cavity: trunk rather 
long; a folded membra- 
nous yeil under the neck. 
Pl. 16, fig. 7. 
(1) The mantle is deeply cleft on the right side, and the 
through the holes of the shell, proceeds by the cleft in “ 
GENERA. 
Tentacula long, some 
at the edges of the cavity 
of the branchia, and pass- 
ing through the last holes 
of the shell, 
2 Conical tentacula. 
Eyes at outer base of 
the tentacula. 
SCUTIBRANCH I, 
Eyes on two cylindrical 
stems, 
Eyes on the outer base 
of the tentacula. 
water which passes 
ato the branchial cavity. There 
are three or four filaments along the edges of the mantle, which the animal has the 
power of pushing out through the holes. 
(2) The animal is not known: it may possibly belong to the Pectinibranehi. 
