158 Dr. Maton’s and Mr. RackzTTs 
TURBO. 
Linn. Syst. Nat. n. 32T. 
E * Neritoidei: aperture margine columnari plano, imperforato. 
jugosus. T. testa subovata, ventricosiore; anfractibus sulcatis. 
tå. f 7. Pulteney in Hutch. Dorset. p. 45. t. 19. f. 1. T.obtusatus. 
- Montagu Test. Brit. p. ins Supplem. t.-20. f. 2. 
.Habitatin mar.  — 
Testa diametro 3 poll., ducet fave sa files; T viridescens, vel 
. purpurea, sulcis albis- Anfractus primus sulcis 10—16. Spira prominula. 
Apex acutiusculus. 
Discovered by Mr. Knight in the Isle of Purbeck, 
Dorset. It has also been : found at St. Ives, Cornwall, 
by Mr. Gibbs. - 
2. 
littoreus. T. testa subovata, acuta, striata, margine columnari- 
t.4.f.8, plano. Linn. Fauna Suec. n. 2169. Syst. Nat. p. 1232. - 
9,10,11.. m. 607. Linn. Gmel. p. 3588. | i 
© Lister Conch. t. 585. x A3. — — Anim. Argh t. 9. f. 9. 
Petiver Gaz. t. 36. f. 1i Pu Quem. 
Gualt. Test. t. 45.47€ 0m 
Baster Opusc. Subsec. t. 14. f. is 
Hill's Swammerd. 183. 
Linn. It. Wgoth. 169. 199. t. 5. f. 4. j 
Pennant Brit. Zool. 4. t. 81. f. 109. . | 
— 7. Da Costa Brit. Conch. p. 98. t. 6. F i: y 
eco Chemn. Conch. 5. t. 185. f. 1852. 1, 2, 3, 4, 5,6, 7, 8.; 4 
ue c 073 a—d.; § Se ABSS. amg 
- Pulteney in Hutch. Dorset. iy 495. t. 17. vf 1.; & t. 19. | 
t eee a 
Donovan Brit. Shells, t. : 33. 3. f 1, 9. 
Montagu Test. Brit. p. 301. 
Habitat in mari, ad littora, frequentissima. 
Testa 
