314 HELIX §. 129. 



2020. fallax Say. (CoU. -1074. — Rv. n. 686. t. 118. — 



Ulostoma Pfr. Vers. p. 133. — H. tridentata var. 

 Binn. Terr. Moll. II. p. 184. — Anchistoma fullax 

 Ad. Gen. p. 206.) Mon.III. p. 263. 



2021. Hopetonensis Shuttl. (Coll. 1075. — Shutll. 



Diagn. Nr. 2. p. 18. — Bv. n. 709. t. 120. — Ch. 

 ed. nov. III. p. 420. — Ulostoma Pfr. Vers. p. 135. 

 — Anchistoma Hopetonense Ad. Gen. p. 206.) . . - - - 263. 



2022. H. helictomphala Pfr. 



T. umbilicata, depressa, solida, oblique costulata, nitidula, 

 pallide iutescenti-cornea; spira vix elevata; anfr. Sy^ convexius- 

 culi, ultimus antice subdeflexus, supra medium subcarinatus, 

 basi inflatus, circa umbilicum '/3 diametri fere aequantem, 

 scalariformem subcompressus, antice con.strictus et scrobicu- 

 latus; apertura diagonalis, rotundato-lunaris, dente linguaeformi, 

 sublibero parietis coarctata; perist. album, angulalim reflexum, 

 margine supero subhorizontali, dextro et basali acute uniden- 

 tatis. — Diam. maj. 12, min. IOV3, alt. 51/3 mill. (Coll. Nr. 1076.) 

 Helix heliclomphala Pfr. in Proc. Zool. Soc. 1856. p. 377. 

 — — Pfr. in Malak. Bl. 1856. p. 230. 



Habitat Ghiapa reipubUcae mexicanae (Ghiesbreght). 



2023. Yucatanea Mor. •!• [AnchistomaYucalancum Ad. 



Gen. p. 206.) Mon. III. p. 263. 



2024. vultuosa Gould. [Gould in Binn. Terr. Moii. II. 



p. 189. t. 40 a. f. 4. — Ch. ed. nov. III. p. 305. — 

 Ulostoma Pfr. Vers. p. 135. — Anchistoma vultuo- 

 sum Ad. Gen. p. 206.) - -- 263. 



2025. H. oppilata Morelet. 



T. umbilicata, depressa, tenuiter striata, subpellucida, 

 pallide cornea vel albida; spira vix elevata; anfr. 5 convexius- 

 culi, lente accrescentes, ultimus antice deflexus, basi inflatus, 

 pone aperturam constrictus; umbilicus angustus, pervius, extus 

 dilatatus; aperlura diagonalis, lunato-circularis, ringens; perist. 

 breviler reflexum, marginibus denle linguaeformi, bicruri, in- 

 trante junclis, dextro subaequaliter bidentato. — Diam. maj. 7, 

 min. 6, alt. 3 miU. (Mus. Guming. ) 



Helix oppilata Mor., Pfr. Mon. III. p. 264. n. 1550. 

 Anchisloma oppilalum H. et A. Adams Gen. II. p. 2 06. 

 p. Major, spira paullo elevatiore, anfr. ^y^! diam. maj. 8%, min. 7^3, 

 alt. 41/3 mili. (Coll. Nr. 1077.) 

 Habitat Yucatan (Morelet); var. ^ in Florida (Shuttleworth). 



2026. Gouloni Shuttl. f [Shuttl. Diagn. Nr. 2. p. 17. — 



.Inchistoma Couloni .id. Gen. p. 206.) Mon.III. p. 264. 



