229. 
adversus. 
"ide 
Magus. 
Descriptive Catalogue of the British Testacea. 151 
Found at Sandwich, by Mr. Boys, and sparingly at 
the mouth of the Aun, Devonshire, by Mr. Montagu. 
M. testa turrita; anfractibus contrariis, serie triplici 
tuberculorum cinctis, media minore. 
Walker Test. Min. Rar. f. 48. 
Adams Microsc. Essays, t. 14. f. 21. 
Montagu Test. Brit. p. 271. 
Donovan Brit. Shells, t. 159. T. reGdelabeeil 
Habitat in mari. 
Testa 4 vel 4 poll. longa, pallide brunnea. Anfractus fere coadunati. Testa 
. precedenti affinis, sed perversa. 
First found by Mr. Boys, and figured As Walker. It 
has been discovered also on the Cornish and Devon- 
shire coasts. 
TROCHUS. 
Linn. Syst. Nat. n. 326. 
* Umbilicati erecti, perforata columella. 
Tr. testa oblique umbilicata, convexa; anfractibus 
obtusé nodulosis. Linn. Syst, Nat. Bs: 1228. n. 585. 
Linn. Gmel. p. 3507. ERS 
Gualt. Test. t. 64. f. C. 
- Argenv. Conch. t. 11. f. S. 
Seb. Mus. 3. t. 13. f. 13, 14. v^ duc di 
Knorr Véran..6. 1. 27. fi 4546 5 Jam oe 
Pennant Brit. Zool. t. 80. f. 207.5 
Da Costa Brit. Conch. p. 44, t. 3. f. 11. T. taberculatus. 
Chemn. Conch. 5. t. 170. f. 1656—1659. 
Pulteney in Hutch. Dorset. p. AA. t. MN Joi 1. 
Donovan Brit. Shells, t. 8. f. 1. 
Montagu Test. Brit. p. 283. 
Habitat 
