142 CHONDROPOMA §. 4. 5. 



28. Ch. Tortolense 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. 4^/3 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. 

 cartilaglneum , nucleo niagis excentrico quam in Ch. New- 

 comhiano. — Long, 15, diam. 7 mill. Ap. intus 5 mill. longa, 

 4 lata. (Coll. Nr. 301.) 



C/io/idroponm TortolcJise Pfr. in Malak. Bl. IV. 1S57. p. 158. 

 Habitat in insula Tortola (Riise). 



b s. Diflert a praececlente opereulo, pcristomate undulato, etc. 



29. Cli.? aosustatiim Pfr. 



T. vix perforata, oblongo-turrita, truncata, solidula, liris 

 spiralibus costisque confertioribus obtuse clathrata, fulvo-lutea, 

 fasciis interruptis oastaneis picta; spira convexo-turrita ; siitura 

 confertim et acute crenata; anfr. superst. ^Vo 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, 4^/3 lata. (Mus. Cuming.) 



Cyclostoma angustatum (Chondropoma?) P/)'. in Proc. Zool. Soc. 1854. 

 p. 128. 



Chondropoma? angustatum Pfr. in Malak, BI. 1854. p. 97. 



Habitat . . . ? 



* 



30? tiirritiim Pfr. (Proc. 1851. p. 248. — Ch. ed. 



nov. p. .310. t. 41. f. 1. 2. — Gray Phan. p. 205. 



— Ad. Gen. p. 296.) Mon. p. 289. 



31. creiiiilatiim Fer. (Coll. 302. — Grny Phan. 



p. 205. — Ad. Gen. p. 295. — Cyclosl. nodulo- 



sum Gray olim , Jay Catal. 1850. p. 258. — C. 



Guadeloupense Pfr.J - - 289. 



32? diapliaiiiim Pfr. (Proc. 1851. p, 248. — Ch. 



ed. nov. p. 309. t. 40. f. 36. 37. — Gray Phan. 



p. 205. — Jd. Gen. p. 295.) - - 290. 



§. 5. 



33. vlolaceiim Pfr. (Coll. 303.— /yr. in Malak. BI. 

 1857. p. 115. — Cyclost. riolaceiim Pfr. in Proc. 



