134 
Species. 


INFEROBRANCHIATA. 
Pleurobranchus, Cuv. 
aurantiacus, Risso 
limacoides, Forb. . - 
scutatus, Forb. ..- 
calyptreoides, Ford. 
sordidus, Forb. .. + 
Umbrella, Lam. 
mediterranea, Lam. . 

TECTIBRANCHIATA. 
Aplysia, Lin. 
depilans? Lin. . - 
depressa, Cantr.. - - 
saltator, Forb. ..- 
Icarus, Forb. 
gravesi, orb... ++ 
Bullea, Lam. 
aperta, Zin. .--+-> 
angustata? Bivon. - 
alata, Ford. «.+-- 
Bulla, Lin. 
lignaria, Zin. ..-- 
retifer, Forb. ...- 
akera, Mul. ....- 
hydatis, Lin. 
cornea, Lam. ...-+ 
striata, Brug. ...-- 
utriculus, Broc... - 
convoluta, Broce. . - 
turgidula, Ford... . 
cretica, Forb. ....- 
truncata, Adams .. 
truncatula, Brug... - 
striatula, Ford. ... 
Gasteropteron, Meckel. 
meckelii, Kosse .. - 
Volva, Montf. 
? acuminata, Brug. . 
ScuTIBRANCHIATA. 
Haliotis, Lin. 
lamellosa, Zam... - 
Crepidula, Lam. 
fornicata, Zin... . + 
unguiformis, Lam. . 
Calyptrea, Lam. 
sinense, Lin. 









REPORT—1843. 
Range. 

fathoms. 
40 
lit. 
20 
20 
40 
70 
lit. ? 
10-20 
7-55 
Found 
living at 
fathoms. 
40 
lit. 
20 
20 
40 
lit. 
0) 
10-20 
“7-40 
= | Geographical 
— E | Distribution. 
weedy. vr 
rocky. |r. 
weedy. ver 
weedy. v.r, 
weedy. ver 
nullipore. —|v.r. 
mud. f. \Lus., Celt., N. 
mud. hey ate 
weedy. L,r 
weedy. 1. 
weedy. ]. \Lus., Celt., N. 
mud. v.r. 
mud. Vets 
nullipore. _ |v. r.|Lus. Celt, N. 
weedy. v.¥. 
weedy. y. 1, Lus., Celt., N. 
mud. ], |Lus., Celt., N. 
mud. a. 
mud. 1: 
mud, nullipore.| 1. 
weed. ie 
mud. Vv. 
mud. v.r. 
mud. 1, |Celt., N. 
sand, mud, &c.| a. 
mud. f. 
mud. Wate 
weed. v.r. 
rock. if 
MET REY 1 
shelly. f, \Senegal. 
shelly ], |Lus., Celt., N. 
| [£ux 









