CONCHOLOGY. 
and incumbent on each other at their front margin. 
1. Chiton marginatus. Brit, Zool. pl. 39. fig. 2. 
2. Ch.levis. Brit. Zool, pl. 39. Ag. 3. 
3. Ch. fascicularis, Montugue, pl. 7. fig. 5. 
4. Ch. cinercus, Lin. Trans, vol. 8. pli. fig. 3. 
Ail these are found sticking to the mnder side of 
stones, at low water, and on oysters, 
LEPAS. 
Shell with several erect unequal valves, firmly 
fixed to other substances, 
1. Lepas anatifera. Brit, Zool, pl. Al. fig. 2.— 
Donovan, pl. 11. 
. anserifera, Donovan, pl. 166. fig. 2. 
. Suleata. Montague, pl. 1. fig. 6 
. fascicularis. Donovan, pl. 64. 
. membranacea. Montague Supplem, p. 164. 
. scalpellum, Montague, pl. 1, fig. 4. 
Pics are fixed by a flexible stalk, and occa- 
sionally found on drifted wood, sea weed, and other 
marine substances, 
7. Lepas punctata. Montague, pl. 1. fig. 5 
7*, L. rugosa. Donovan, pl. 160. L. Borealis. 
8. L. balanus. Brit. Zool. pl. 40. fig. 1— 
Donovan, pl. 30. fig. 1 
9. L. balanoides, Brit. Zool. pl. 40. fig. 2.— 
Donovan, pl. 36. fig. 2. 3. 
10. L, intertexta. Brit. Zool. pl. 41. fig. L— 
Donovan, pl. 36. fig. 1 
Fixed, without stalk, to stones and shells, 
oo BLS 
en ee ees tet 
