MONOGRAPHIA 
HELICEORUM VIVENTIUM. 
I. Aiiostoiiia Flscher. 
^ 1. A. ringens (Helix) Linn. 
T. imperforata, rimata, suborbicularis, ulrinque convexa, 
depressiuscula, glabra, albida, superne linea rubente cincta; 
anfr. 5 planulati, ultimus subcarinatus ; apertura sursum re- 
versa, lunaris, lamellis 2 — 3 intrantibus anfractus penultimi 
et dentibus 4 — 5 inaequalibus, complanatis, exlus scrobiculo 
formantibus coarctata; perist. undique late expansum, refle- 
xiusculura. — Diam. maj. 38, min. 29, ait. f8 mill. (Mus. Cu- 
ming.) 
Udkc ringens Linn. syst. ed. X. p. 769. ed. XII. Nr. 664. p. 1243. 
— — Chemn. IX. P. -l. p. 86. t. 109. f. 919. 920. 
— — TVboi/ind. t 33. f. 26. 
— — (Ilelicodonta) Fer. pr. H 3. Hist. l. 53. f. 3 — - 5. 
— — Blainv. in Dict. d. sc. nat. XX. p. 427. 
Tomogeres nngens 3fontf. Conch. syst. II. p. 359. t. 90. 
— — Pfr. Symb. II. p. 109. 
Tomogents depressus Blainv. Malae, p. 459. t. 39. f. 4. 
A7iosto7na depressa Lam. 1. p. 101. ed. Dh. p. 152. 
— ringeyis Sow. gen. VIII. 1 . 
— — Ktist. Icon. moli, el test. P. II. Fasc. 1 . t. | . f. 1 . 
— — Beck iud. p. 34. 
— — Reeve Conch. syst. II. t. 1 69. f. 1 . 
— — Chem7i. ed. II. Helix t. 12. f. 5. 6. 
Angystoma 7'esupinata Schumacher p. 229. v 
A7iastoma depi^essuyn Sow. Conch. Mau. ed. II. p. 65. f. 271. 272. 
— depi^essa Stvains. Malacol. p. 329, 
Lister t. 99. f. 100. 
D'Arge7wille t. 28. f. 13. 14. 
Habitat in insula lamaica (Chemn.), in India maiore (Lam.)? 
Verosimiliter in Brasilia. 
I. 1 
