ALPHABETICAL LIST 
OF THE 
FIGURES OF MOLLUSCA*, 
PL. FIG. 
7. 3. AcasTa spinosula, Des. 
Hyaline, valves tubercular 
near the lips. 
7. 4. Acasta Montagui, Leach. 
Ashy white, valves lanceo- 
late. 
27. 5. Achatina Mulleri Férussac. 
Pale brown, with deeper 
streaks. 
2. I. Anatifa levis, Lam. 
Nearly white. 
12. 3. Anatina hispidula, Cuv. (Lan- 
terna, Lam.) 
Ashy, with white spots, shells 
very thin. 
22. 3. Anatina elliptica, King. 
Nearly white, striated. 
32. 13. Ancillaria cinnamomea, Blain. 
Cinnamon colour. 
37. 9. Ancillaria Australis, Sav. 
Light yellow,with ashy spots. 
19. 3. Anodon Georgina, Gray. 
Varied, purple red, shell 
solid, smooth, covered 
with a thickish olive co- 
loured periosteum. 
Rivers of Paraguay. 
24. 1. Anodon Susanne, Gray. 
Shell thin, covered with pale 
olive coloured periosteum. 
From South America. 
24. 2. Anodon tenuis, Gray. 
Periosteum sea green. 
39. 6. Anomia ephippium, Lin. 
Smooth, silvery, thin, varies 
PL. FIG. 
in shape with the sub- 
stance it is attached to. 
. Aplidium lobatum, Sav. 
Pale brown. 
. Arca granosa, Lam. 
White, with transverse tux 
bercles. 
. Argonauta argo, Lin. 
(The animal is crythoe an- 
tiquorum, and has no mus- 
cular attachment to the 
shell.) Shell white, ani- 
mal brownish. 
. Arion Empiricorum. 
Black, with cross lines. 
. Asemus porosus, Cuv. 
Purple. 
. Aspergillum vaginiferum, Zam. 
Ash coloured. 
. Auricula Mid, Lam. 
White, covered with brown- 
ish periosteum. 
. Avicula heteroptera, Lam. 
Brown. 
o 
So st ° OO 
7. 1. Balanus ovularis, Zam. 
White. 
7. 2. Balanus sulcatus. 
White. 
18. Bivalve shells, terminology of. 
9. 10. Boltenia ovifera, Sav. 
Pale brown. 
10. 1. Botryllus polycyclus, Sav. 
Pale ash colour, with green 
spots. 
* Most of the inedited shells figured in this work are from the collection in the British 
Museum. 
Qaq2 
