413 
3436. 
9491. 
3439. 
9440. 
9441. 
9442. 
9443. 
9444. 
3445. 
2446. 
HELIX &. 160—162. 
germana Gould. (Coll 1493.) lIL 269. IV. 320. V. 429. — 
Stenotrema Binn. Amer. landsh. p. 120. f. 499. — Bland S Binn. 
Proc. Ac. Philad. 41873. p. 243. —  Slenotrema germana Tryon 
in Amer. journ. conch. III. p. 58. t. 9. f. 22. 23. —  Aplodon? 
germanus Coop. ibid. V. p. 214. — Oregon. 
S. 161. 
major Binn. (Coll 1194) IV. 320. V, 429. — Mesodon Binn. 
Amer. landsh. p. 435. f. 228. — Pütel Cat. p. 92. — Mesodon 
major Tryon in Amer. journ. conch. III. p. 43. t. 8. f. 5. — 
Status Uniti meridionales. 
. albolabris Say. (Coll. 1495.) I. 290. IIL 969. IV. 320. V. 429. 
— Mesodon Binn. Amer. landsh. p. 136. f. 229. 230, —  Pütel 
Cat. p. 87. —  Mesodon albolabris Morse Journ. Portl. Soc. I. 
p. 8. f. 7. t. 3. f. 8S. — Tryon in Amer. journ. conch. III. p. 39, 44. 
t. 7. f. 6 (var. dentata). t. 7. f. 5. 7. — America borealis. 
multilineata Say. (Coll. 4496.) I. 290. III. 269. IV. 321. V. 429. 
— Mesodon Zinn. Amer. landsh. p. 139. f. 234. —  Pütel Cat. 
p. 92. — Mesodon multilineata Tryon in Amer. journ. conch. III. 
p. &5. t. 8. f. 8. — Illinois, Missouri. 
Pennsylvanica Green. (Coll.1497.) I. 291. III. 269. IV. 321. 
V. 249. — Mesodon Binn. Amer. landsh. p. 440. f. 237. — Péátel Cat. 
p. 93. — Heliv Mitchelliana Desh. —  Mesodon Pennsylvanica 
Tryon in Amer. journ. conch. HI. p. 44. t. 8. f. 9. — Pennsylvania. 
clausa Say. (Col. 1498.) IV. 321. V. 429. — Mesodon Zinn. 
Amer. landsh. p. 149. f. 255. — Triodopsis Péütel Cat. p. 88. — 
Mesodon clausa Tryon in Amer. journ. conch. III. p. 47. t. 8. 
f. 16. — Status Uniti occidentales, 
Wiitchelliana Lea. (Coll. 4499.) I. 291. III. 270. IV. 329. V. 429. 
— Mesodon Piin. Amer. landsh. p. 141. f. 240. —  Pütel Cat. 
p. 92. — Helix Mitchella Kirtl. —  Mesodon  Mitchelliana Tryon 
in Amer. journ. conch. III. p. 43. t. 8. f. 10. — Ohio. 
divesta Gould. (Coll 41500.) IV. 322, V, 429. — Mesodon Zinn. 
Amer. landsh. p. 138. f. 233. — Helix abjecta Gould olim. — 
Mesodon divesta Tryon in Amer. journ. conch. IIL p. 45. t. 8. 
f. 14. — Arkansas. 
* * 7E 
plicaria Lam. (Coll. 1501 ) I.291. IIT. 270. IV. 323. V. 430. — 
Hidalgo Mol. viaje Pacif. p. 35. —  Hemicycla AMouss. Canar. 
p. 81. — Pütel Cat. p. 94. — Helix plicatula Lam., plicata 
Blainv., orbiculata Wood, planorbula Gray. — Teneriffa. 
Bcethencourtiana Shuttl. (Coll. 1502.) III. 270. IV. 323. V. 430. 
— Hemicycla JMouss. Canar. p. 84. t. 5. f. 3. 4. — Pfr. Novit. 
conch. IV. p. 91. Nr. 785. t. 124. f. 3. 4. — Teneriffa. 
&. 462. 
elevata Say. (Coll. 1503.) I. 317. IIL 270. IV. 323. V. 430. — 
Mesodon Bínn. Amer. landsh. p. 442. f. 243. — Bland & Binn. 
Proc. Ac. Philad. 1873. p. 242. — Triodopsis Pütel Cat. p. 90. 
— Heliv Knoxvillina Fér., Tennessensis Lea. — Xolotrema ele— 
vata Tryon in Amer. journ. conch. IIl. p. 48. t. 9. f. 4. — Ame- 
rica borealis. 
