142 
CHONDROPOMA §. 4 . 5 . 
28. CIi. Tortoleme Pfr. 
T. rimato-perforata, ovato-turrita, truncata, liris spiralibus 
inaequalibus , costulisque confertis illas transgredientibus , va- 
rices irregulares simulantibus decussata, albido-cornea , lineis 
rufis angulosis strigata; spira subregulariter attenuata; sutura 
albido fasciculatim crenulata; anfr. superst. 4y a parum con- 
vexi , ultimus antice solutus , dorso carinatus , infra medium 
fascia rufa notatus ; apertura verticalis, angulato-ovalis ; perist. 
subduplicatum , externum superne angulatum, latere dextro 
breviter expansum , sinistro dilatatum , undulatum. — • Operc. 
cartilagineum , nucleo magis excentrico quam in Ch . New- 
comhiano — Long. 15, diam. 7 mill. Ap. intus 5 mill, longa, 
4 lata. (Coll. Nr. 301.) 
Chondropoma Tortolense Pfr. in Malak. Rl. IV. 1857. p. 158. 
Habitat in insula Tortola (Riise). 
0 b s Differt a praecedente operculo, pcristomate undulato, etc. 
29. CI» ? angiistalum Pfp. 
T. vix perforata, oblongo-turrita, truncata, solidula, liris 
spiralibus costisque confertioribus obtuse clathrata, fulvo-lutea, 
fasciis interruptis castaneis picta; spira convexo-turrita ; sutura 
confertim et acute crenata; anfr. superst. 4 1 / 2 convexiusculi, 
ultimus angustatus, basi confertius spiraliter sulcatus, antice 
vix solutus; apertura verticalis, ovali-rotundata ; perist. sub- 
duplicatum , undique breviter expansum , superne subangula- 
tum. — Operc.? — Long. 16, diam. 7 mill. Ap. 5 mill, 
longa, 4Va lata. (Mus. Cuming.) 
Cyclostoma angustaturn (Chondropoma ?) Pfr. in Proc. Zool. Soc. 1854. 
p. 128. 
Chondropoma? angustaturn Pfr . in Malak. Bl. 1854. p. 97. 
Habitat . . . ? 
* 
30? turritum Pfr. (Proc. 1851. p. 248. — Ch. ed. 
nov. p. 310. t. 41. f. 1. 2. — Cray Phan. p. 205. 
— Ad. Gen. p. 296.) Mon. p. 289. 
31. erenulatum Fer. (Coll. 302. — Gray Phan, 
p. 205. — Ad. Gen. p. 295. — Cyclost. nodulo- 
sum Gray olim , Jay Catal. 1850. p. 258. — C. 
Guadeloupense Pfr.) . - - 289. 
32? diaphanum Pfr. (Proc. 1851. p. 248. — Ch. 
ed. nov. p. 309. t. 40. f. 36. 37. — Gray Phan, 
p. 205. — Ad. Gen. p. 295.) - - 290. 
§• 5. 
33. violaceum Pfp. (Coll. 303. — Pfr. in Malak. Bl. 
1857. p. 115. — Cyclost. violaceum Pfr. in Proc. 
