Descriptive Catalogue of the British Testacea. 179 
- Wood in Act. Linn. Soc. 6. t. 17. £ 5, 6. 
Chemn. Conch. 6. t. 29. ^ 299,300. 
Pulteney in Hutch. Dorset. p. 33. t. 8. f... 
Donovan Brit. Shells, t. 44. & t. 115. V. cancellata. 
Montagu Test. Brit. p. 112. 4 p. 514. 
Halitat in mari. f 
Testa diametro 2 poll., crassa, opaca, sordide alba, vel ferruginea, sulcis 
numerosis reflexis, antice verrucosis; seu nodulosis, exasperata ; intus 
alba. | Umbones incurvati. -Areola impressa, cordata. 
First noticed by LE Not uncommon on the 
Western coast. DEO z 
lactea. V. testa abordaia SübconpEMR po Bib Contticis, 
crassis, elevatis, obtusis, antrorsum subtruncata. 
Donovan Brit. Shells, t. 149. 
 Halitatin man. ——— 
Testa diametro 1i poll., * pers ; y. verrucosee valde affinis. modo distin- 
guitur a sequente? 
Found on the Western coast, according to Mr. Do- 
novan. 
A. 
- Casina. Va. testa. sulcis transversis | recurvis acutis, margine 
1.9. f.1. ` postico crenulato ; pone areolam canaliculato. Linn. 
— Syst. Nat. p. 1130. n. 117. Linn. Gmel. .p- 3269. 
[Om Brit. Zool. 4. t. 54. f. 48. A... A V. fagsino. | 
Chemn. Conch. 6. t. 29. ef. db, 302. - e 
Habitat i in f x 
, Testa diametro 14 poll., crassa PD; lineis angulatis, subfuscis varia. 
.  Pliem numerose, nunc we nunc me c) E coadunatæ. Cardo. 
Bri eias 1 
^77. his species ilies io exactly with the figures in 
— Chemnitz and Schröter, which are cited by Gmelin for 
Venus Casina of Linneus. Whether it be that : i 
