140 
CHONDROPOMA §. 3. 4, 
20. Ch. deeurrens Poey. 
„Testa perforata, ovato-turrita , truncata, solida, costi- 
spiralibus , nonnullis ad suturam alternis rainoribus, scabrius- 
cula, subnitida, carneo-fusca, fasciis interruptis rufis cingulata; 
sutura simplex; anfr. superst. 4 convexiusculi , priores lineis 
elevatis remotis irregulariter decussati, ultimus sobascendens, 
basi anguste perforatus ; apertura verticalis , angulato-ovalis; 
peritr. continuum, anfr. contiguo adnatum, album, expansius- 
culum, margine columellari subduplicato, vix dilatato, dextro 
simplice. — Operculum subcartilagineum , planum, anfr. paucis, 
rapide accrescentibus, nucleo yalde excentrico. — Long. 15, 
diam. 8 mill. 44 (Po ey. — Coll. Nr. 294.) 
Cyclostoma decurt'ens Poey Memor. II. p. 23. 
— Poeyanum var. Chcmn, ed. nov. t. 36. f. 22—25. 
Chondropoma Poeyanum a et y Pfr. Mob. Pneum. p. 284. n. 12. 
Habitat in insula Cuba. 
* 
21. ofiesum Menke. (Coll. 295. — Gray Phan. p. 
202, — Ad Gen. p. 295. — Pfr. in Mai. Bl. 1856. 
p. 132. — Trosch. Gebiss d. Schn. p. 73.) . . . Mon. p. 285. 
22. deiitatum Say. (Coll. 296. — Gray Phan. p. 
203. — Ad. Gen. p. 295. — Pfr. in Mai. Bl. 1856. 
p. 132. — Cyclost. dentatum Say, Binn. Terr. Moll. 
Un. St. II. p. 348. t. 72 a, — C. crenulatum Pfr. 
olim. — C. Auberiana Orb., Auhereanurn Sow., 
lunulatum Morch.) . - - 286. 
23. Ch. Swift! Sliuttlewortli. 
T. perforata , ovato-conica, truncatula , obtuse decussata, 
pallide fusca, interrupte violaceo-plurizonata, nitida ; spira re- 
gulariter attenuata; sutura minute papilloso - crenulata ; anfr. 
superst. 5 convexi , ultimus subinflatus, antice solutus ; aper- 
tura vix obliqua, subovalis; perist. simplex, fusco-punctatum, 
incrassatulum, sed non expansum, superne acute angulatum. — 
Operc. cartilagineum, pauce spiratum, anfr. rapide accrescen- 
tibus, nucleo excentrico. — Long. 15, diam. 7; apert. 5 mill, 
longa. (Coll. Nr. 297.) 
Cyclostoma Swxfti (Chondropoma) Sliuttl. Diagn. n. Moll. Nr. 7. p. 151. 
Habitat prope Ponce insulae Portorico (Swift). 
Obs. »C. IJlauneri Shuttl. affine, sed bene distinction. “ 
§. 4 . 
24. )CIi. Blauneri Sliuttlewortli. 
T. subperforata, ovato-turrita, truncatula, tenuiuscula, con- 
