3424. 
2432. 
3433. 
9434. 
34395. 
HELIX &. 160. 41 
. obstricta Say. (Coll. 41483.) I. 317. III. 267. IV. 319. V. 427, — 
Triodopsis Binn. Amer. landsh, p. 125. f. 210. — Xolotrema ob— 
stricta. Tryon in Amer. journ. conch. III. p. 49. t. 9. f. 3. — Ohio. 
. appressa Say. (Coll. 1484.) L 317. III. 267. IV. 319. V. 427. — 
Triodopsis Binn. Amer. landsh. p. 427. f. 211—213. — Pütel Cat. 
p. 87. — Helix linguifera Fér. — Xolotrema, appressa Tryon in 
Amer. journ. conch. III. p. 50. t. 9. f. 7. 411. — Ohio, Missouri. 
Mullani Bland & Coop. ' V. 427. — Coop. in Tryon Journ. I. 
p. 348. (St. Joseph's River, Washington terr.) — Triodopsis Binn. 
Amer. landsh. p. 430. f. 224. —  Triodopsis Mullani Tryon in 
Amer. journ. conch. IIT. p. 53. t. 9. f. 14. — America borealis. 
. Downieana Bland. | V.428. — Mesodon Binn. Amer. landsh. 
p. 154. f. 257. — Mesodon Downieana Tryon in Amer. journ. 
conch. III. p. 47. t. 8. f. 15. — Tennessee. 
. inflecta Say. (Coll. 1485.) IL. 420. IIL 268 (clausa) IV. 319. 
V. 428. —  Triodopsis Bínn. Amer. landsh. p. 128. f. 246. — 
Pütel Cat. p. 91. — Helix clausa Raf. — Isognomostoma, inflecta 
Tryon in Amer. journ. conch. IIL. p. 54. t. 9. f. 40. — America 
borealis. 
. Rugeli Shuttl. (Coll. 1486.) III. 268. IV. 319. V. 428. — Trio- 
dopsis Binn. Amer. landsh. p. 129. f. 247. — Bland & Binn. 
Proc. Ac. Philad. 4873. p. 241. — Pütel Cat. p. 94. — Isogno- 
mostoma Rugeli Tryon in Amer. journ. conch. III. p. 55. t. 9. 
f. 8. — Tennessee. 
. personata Lam. (Coll. 1487.) IL. 4419. III. 268. IV. 319. V, 428. 
— 'Triodopsis Kregl. Verz. p. 65. —  Kob. Cat. p. 9. — Pütel 
Cat. p. 93. — Helix isognomostomos Gmel. — Europa media. 
. subpersonata Middend. 4 1lII 649. V. 428. — Triodopsis 
Kob. Cat. p. 9. — Sibiria. 
. Asturica Pfr. (Coll.4488.) I. 424 (Gougeti, non Terv.). IV. 319. 
V. 428. — Gonostoma Kob. Cat. p. 8. —  Püátel Cat. p. 87. — 
Asturia. 
. pustula Fér. (Coll.1489.) I. 422. III. 268. IV. 319. V. 428. — 
Polygyra Bínn. Amer. landsh. p.109. f. 485. — Stenotrema Pütel 
Cat. p. 94. — Daedalochila pustula Tryon in Amer. journ. conch. 
IIl. p. 62. t. 40. f. 6. 17. — Georgia, Florida, Texas. 
leporina Gould. (Coll. 1490.) IV. 320. V. 428. — Polygyra 
Binn. Amer. landsh. p. 141. f. 487. — Stenotrema Pütel Cat. 
p. 9!. — Daedalochila leporina Tryon in Amer. journ. conch. III. 
p. 61. t. 40. f. 14. 4. — Illinois, Indiana, etc. 
* * * 
dentifera Binn. V. 429. — Mesodon Binn. Amer. landsh. 
p. 145. f. 249. — Bland S Binn. Proc. Ac. Philad. 41873. p.242. 
— Aesodon dentifera Tryon in Amer. journ. conch. III. p. 39. 
t. 7. f. 9. — Virginia, Pennsylvania, Maine. 
Eómeri Pír. (Coll. 1491.) III. 268. IV. 320 (dentifera, non Binn.). 
V. 429. — Mesodon Binn. Amer. landsh. p. 146. f. 250. — Bland 
& Binn. Proc. Ac. Philad. 4873. p. 242, — Mesodon Róümeri Tryon 
in Amer. journ. conch. IIL. p. 40. 43. t. 8. f. 4. — Texas. 
monodon Zack. (Coll. 1492.) I. 430. III. 269 (convera). IV. 320. 
V. 429, — Stenotrema Binn. Amer. landsh. p. 120. f. 200—202. 
— Pütel Cat. p. 92. — Helix convera Hafin., fraterna Say, Leai 
Ward. — Stenotrema monodon Tryon in Amer. journ. conch. III. 
p. 96. t. 9. f. 48. 20. — America borealis. 
