Descriptive Catalogue of the British Testacea. 95 
diaphana ; umbonibus recurvis, margine crenulato. 
Linn. Syst. Nat. p. 1141. n. TS. Linn. x 3309. 
Lister Conch. t. 235. f. iin Un i 
Petiver Gaz. t. 73. FEY? Ma e uius 
Pennant Brit. Zool. 4. t. 58. iz 50. A, baits. 
Da Costa Brit. Conch. p. 171. t. 11.f. 5. 
Pulteney in Hutch. Dorset. p. 54. t. 11. f. 5. A. crinita. 
Chemn. Conch. -7. t. 55. F 547. 
Donovan Brit. Shells, t. 135. 
Montagu Test. Brit. p. 138. 
Habitat in mari. ME 
Testa magnitudine fabs equine, albida, epidermide pilosa fusca obtecta, 
transversim inzequaliter sulcata.. 
First noticed and figured by Late It is found 
| plentifully on many parts of the Western coast. Shells 
with the animal are rare. i. a 
-<This species agrees with ngu description of 
A. lactea, if we except the crenulated margin, which. 
our shell does not appear to possess. 
; * * * Margine crenato ; umbonibus inflexis.. 
Glycyme- A. testa suborbicdlata, gibba, substriata, Te er am 
ris. incurvis, margine crenato. Linn. Syst. Nat. p. 1143. 
(.3.f.3. n.181. Einn. Gmel. p. 3313. yon) aie 
_ Bellon. Aquat. 408. 
- Rondel. Test. 31. -.- 
 donünn. Recr. 2. t. 00 * age es: 
Lister Conch. KE 247. fee o EE emi 
| Gualt. Test. t. 82. f. C. p" 
a. Seneg. t. 18. f. 10? 
Knorr Vergn. 6. t. 14. f 9.. ! : 
Chemn. Conch. T. t 57. Sf 564. ue d 4 : 
Habitat in sari. mene deat A 
