460 
are of a brownish lake-red at 
the base of the shell, and be- 
come of a straw-yellow as they 
ascend, and loose themselves at 
* the umbo; which is of a pale 
gallstone-yellow. In the inside 
is a large blotch of saffron-yel- 
low; the rays are distinctly 
seen through, and deepen as 
they approach the base. 
This shell, as well as the 
following species, would be pla- 
- eed in Lamarck’s genus Lu- 
cina. 
9. tigerina. Vid. p. 456. 
CARDIUM. 
tuberculatum. Wood’s Conch. p. 210. t. 50. 
f.1, & 2.-Dillwyn’s Conch. 
p. 117. 
2. multicostatum. Brocchi, p. 506. t. 12. f. 2. 
3. planatum. Brocchi, p. 506. t. 13. f. 1. 
4, punctatum. — Brocchi, p. 666. t. 16. f. 11. 
MACTRA. 
1. triangula.  Brocchi, p. 535. t. 13. f.-'7. 
2. lactea. Shell ae milk-white, smooth, 
PI.IX.f. 9. glossy, and obsoletely stria- 
ted. Hinge with one small 
tooth, and a spatuliform ca- 
vity. Length 3th of an inch, 
breadth §ths. 
This shell somewhat re- 
sembles the M. Boysu. 
3. solida. Donovan, Br. Sh. II. t. 61.— 
Dillwyn’s Conch. p. 140. 
4, subtruncata. Maton & Racket, in Linn. Tr. 
VIEL pil. 1 1 ei 
Dillwyn’s Conch. p. 141. 
5. Boysii. Montagu, Test. Br. p. 98. t. 3. 
f..'7.—Dillwyn’s Con. p. 143. 
DONAX. 
1. trunculus. Donovan, Br. Sh. I. t. 29. f. 1.- 
Dillwyn’s Conch. p. 150. 
VENUS. 
1. verrucosa. Vid. p. 457. 
2. compressa. Montagu, Test. Br. Supp. p. 43. 
t. 26. f. 1.—Dillwyn’s Conch. 
p- 167. V. Montagui. 
Vid. p. 457. 
Donovan, Bnt. Sh. I. t. 17.— 
Dillwyn’s Con. p. 178. 
3. gallina. 
4, Chione. 
GEOLOGY OF THE 
5. exoleta. Maton and Racket, in Linn. 
Trans. VIII. p. 87. t. 3. f. 1.- 
Dillwyn’s Conch. p. 195. 
6. virginia. Maton and Racket, in Linn. 
Trans. VITF. p. 89. t. 2. f. 8.— 
Dillwyn’s Conch. p. 207. 
7. subrhom- Montagu, Test. Br. Supp. p. 49. 
boidea. ty 28ei ee 
8. fasciata. Donovan, Br. Sh. V. t. 170.— 
Dillwyn’s Conch. p. 159. 
9. distorta. Shell oblong, with concentric 
PLIX.f. 10. folds, and fine, regular, diver- 
gent striz. Hinge with two 
teeth in each valve, and lateral 
grooves in the anterior slopes. 
The margin is irregularly 
wrinkled. 
SPONDYLUS. 
1. gaedaropus. Lister’s Conch. t. 206. f. 40. to 
209. f. 3.—Rumphius, t. 47. 
f, E.—Dillwyn’sConch. p.209. 
CHAMA. 
1. calycatula. ‘Vid. p. 457. 
2. pectunculus. Vid. p. 457. 
3. Lazarus. Vid. p. 457. 
ARCA. 
1. Now, Gualtieri, t. 87. f. H.—Dillwyn’s 
Conch. p. 226. 
2. barbata. Gualtien, t. 91. f. F.—Dillwyn’s 
Conch. p. 229. 
3. lactea. Donovan, Br. Sh. IV. t. 135.— 
Dillwyn’s Conch. p. 236. 
4. nummaria. Brocchi, p. 483. t. 11. f. 83— 
Lister’s Conch. p. 239. f. 81. 
—Dillwyn’s Conch. p. 243. 
5. angulosa. Lister’s Conch. t. 245. f. 76.— 
Dillwyn’s Conch. p. 240. 
6. Glycymeris. Vid. p. 457. 
7. pilosa. Vid. p. 457. 
8. nucleus. Donovan, Br. Sh. IT. t.63.— | 
Dillwyn’s Conch. p. 244. 
OSTREA. 
1. ‘varia. Donovan, Br. Sh. t. 1. f. 1.— 
Dillwyn’s Conch. p. 260. 
gy Encyc. Method. t. 214. f. 1. 
3. sanguinea. Encyc. Method. t. 214. f. 4.— 
Dillwyn’s Conch. p. 269. 
4. Lima. Vid. p. 455. 
ANOMIA. 
