SYNOPTIC TABLE 
0 foot for crawling; no 
arms for dragging orf 
PIPROLODA sitet aiele' ses > seizing prey. Two fins,, Shell ensheathing; of one 
alike and opposite, for| 
SVVADAININ 0h. o cece «arches 
or with a shell capable 
of containing it ; a mus- 
cular foot united to the 
body in_ its whole 
length, placed under 
the belly, for crawling. 
Shell without columella or 
operculum ; not forming 
a complete spire, unless 
rolled. > .e owen oes 
fe) 
tw 
Lal 
lez] 
=] 
{>} 
wW 
° 
o 
tw 
EE ati 
Body straight, never spiral | 
Greater part of the body 
twisted in a spire, sepa- 
4 rate from he foot, and }Shell always spiral, whorls 
ne always enveloped in a enerally numerous, with 
TRacHERpoDA jie aauivelse shell; foot Sane s eolanielia or an 
free, flat, attached to} operculum 
the inferior base of the 
neck, for crawling.... 
een er 
~ 
projecting from this Bip fe E eee 
bag, crowned by arms, é 
Lower part of the body 
contained in a mantle ; 
formed like a bag ; head Shell regularly multilocu- 
at oe ; «a? \ plane; the spire entering 
| not articulated, furnish tito the faoutk ne 
CEPHALOPODA,... » 
ed with suckers  sur- ite ; 
LS = pee ee ee 
rounding the mouth; 2 clining towards it 
horny jaws.......--++- 
