190 
UR 
corned. 
Petiver Gaz. t. 92. f. 5. 
Dr. Maton’s and Mr. RACKETT’S 
Schrót. Flussconch. t. 5. f. 16, 17. 
Chemn. Conch. 9. t. 127. f. 1127. a. B. 
Pulteney in Hutch. Dorset. p. 47. t. 20. f. 12. 
Donovan Brit. Shells, t. 75. 
Montagu Test. Brit. p. 454. Se $25. f. 3. 
Halitat in fluviis, stagnis, fossis, Mcr Incola fuscus. 
Testa diametro vix + poll., subpellucida, coloris cornei sub epidermide vi- 
rescente vel rufescente brunnea., Hæc Hel. Planorle minor, at anfrac- 
tibus pluribus. Margo teste in illa extra testam is cac at in hac 
ipse teste angulus est acutus. — Fn. Suec. am 527. T3 
* * Rotundatz anfractibus, et umlilicatee. 
H. testa supra umbilicata, plana, nigricante; anfracti- 
bus 4 teretibus. - Linn. Fauna Suecica, n. 29179. Syst. 
Nat. p. 1243. n. 671. Linn, Gmel, p. 3023. 
Buonanni Recr. t. 3, f. 316. 
Lister Anim. Angl. t. 2. M w Conch. t. 137. f. 41. 
Gualt. Test. t. 4. f. D. D. 
Seb. Mus. 3. t. 39. f. 17. cease 
D' Argenv. Conch. t. 31. y SEINS HRS o re 
Lesser's Testaceoth. p- 148. f. $9 & 
Hill's Soammerd. t. 10. f. 3, 4. 
Knorr Vergn. 5. t. 22. f. 6. 
Muller Verm. 2. p. 154. n. 343. 
Pennant Brit. Zool. t. 83. f. 196. § f. 195. testa j junior. 
- — Da Costa Brit. Conch. t. 4. f. 13. H. Cornu apes. 
 Schröt. "Flussconch. t. 5. f. 19—21. 
Chemn. Conch. 9. t. 325. f. 3348—1115. —— ^ 
Pulteney in Hutch. Dorset. p. ai. ro 13. 
