HELIX 8. 135. 405 
9865. EX. ptychophora A. D. Brown. T 
«T. umbilicata, depresso-globosa, tenuis, costis validis, sat 
distantibus ornata; striae concentricae nullae; spira conica, paulo 
elevata; anfr. 5 convexiusculi, ultimus inflatus, antice descen- 
dens; apert. rotundato-lunaris, obliqua; perist. album, reflexum; 
columella brevis, dilatata, umbilicum semioccultans. — Diam. 
maj. 18, min. 15!/5, alt. 410 mill.» (B.) 
Helic Towmnsendiana var. Bland S Coop. in Ann. Lyc. New- 
York Y Ibops 963: 
NS c var. minor Tryon Mon. terr. moll. Un. 
StcUpa Sd d SC UEAGC 
—  plychophora A. D. Brown in Journ. Conch. XVIII. 1870. 
p. 392. 
labitat «Bitter Root Mountains» et Nebraska Statuum Unitorum. 
* 
9860. tudiculata Binn. (Coll. 1243.) I. 283. IV. 270. V. 352. — Newc. 
in Amer. journ. conch. I. p. 345, — Arionfa Binn. Amer. landsh. 
p. 165. f. 268 (cum var.: H. cypreophila Newc. f. 287). — Pütel 
Cat. p. 96. — Aglaja ludiculata Tryon in Amer. journ. conch. II. 
p. 343. t. 5. f. 43. — Arionta, tudiculata Coop. ibid. V. p. 209. — 
California. 
98607. reticulata Pfr. IV.270. V. 352, — Arionta Bin. Amer. landsh. 
p. 169. f. 293. — Arionta. reticulata Coop. in Amer. journ. conch. 
V. p. 208. — California. 
9868. Tryoni Newc. | V. 304. — Binn. in Amer. journ. conch. I. 
p. 47. t. 6. f. 4 (testa). f. 2—10 (maxilla. — Euparypha Binn. 
Amer. landsh. p. 178. f. 312. — Polymita Tryoni Tryon in Amer. 
journ. conch. IH. p. 319. t. 6. f. 3. — Arionta Tryoni Coop. ibid. 
V. p. 214. — California. 
2869. Californiensis Loca. IIl 183. IV. 269 (vincta). V. 341. — Newc. 
in Amer. journ. conch. IL. p. 343. — Arionta Binn. Amer. landsh. 
p.170. f. 295. — Péütel Cat. p. 88. — Helix vincta Val. — Arionta 
californiensis Tryon in Amer. journ. conch. Il. p. 317. t. 5. f. 20. 
— Coop. ibid. V. p. 209. — California. 
2810. Niclsliniana Lea. (Coll. 1214.) I. 339. III. 229. IV. 269 (cali- 
forniensis, non Lea). V. 351. — Newc. in Amer. journ. conch.I. 
p. 343. — Arionta Binn. Amer. landsh. p. 166. f. 288 (inclusa 
H. anachoreta Binn.) — Pütel Cat. p. 92. — Helix arboretorum 
et nemorivaga Val. — Aglaja Nickliniana Tryon in Amer. journ. 
conch. IL. p. 312. t. 5. f. 2. — Arionta Nickliniana et nemori- 
vaga Coop. ibid. V. p. 207. — California. 
9811. H. Bridgesi Newcomb. 4 
«Testa umbilicata, depresso-globosa; spira conica, sutura 
bene impressa; anfr. 6 convexi, plicato-striati et minute gra- 
nulati; apertura rotundato-lunata; labrum expansum, inferne 
reflexum. Translucens, cinereo-cornea, cum fascia angusta 
brunnea. — Diam. 27, alt. 19 mill.» (1866 angl.) 
