CHONDROPOMA §. 4. 
141 
fertissime costulato-striata , lineisque spiralibus obtusis ineon- 
spicue subdecussata et nodulosa, violaceo-fusca, lineis flexuo- 
sis, vel maculis curvatis, seriatis, saturatioribus plurizonata, 
non nitens; spira regulariter attenuata ; sulura confertim pa- 
pilloso-crenulata ; anfr. superst. b l ' n convexiusculi, ultimus an- 
tice breviter solutus; apertura parum obliqua, subovalis ; perist. 
subduplex, pallidum, obscure fusco-punctatum , internum vix 
leviter porrectum, externum anguste patens, superne brevissime 
angulato-productum. — Operc. norm. — Long. 20, diam. 8 
mill. Ap. 6 mill, longa. (Coll. Nr. 298.) 
Cyclostoma Blauneri (Chondropoma) Shuttl. Diagn. n. Moll. Nr. 7. p. 151. 
Habitat prope Humacao insulae Portorico (Blauner). 
Obs. „Forma, sculptura et pictura C. decussato satis simile, sed 
operculo et peristomate optime distinction." 
* 
25. Iiemiotum Pfr. (Coll. 299. — Proc. 1852. p. 
143. — Ch. ed. nov. p. 370. t. 48. f. 3. 4. — Gray 
Phan. p. 204. — • Ad . Gen. p. 295.) ..... Mon, p. 288. 
26. Cli. Wewtoni Sliuttleworth. f 
„Testa subperforata , elongato-oblongo-turrita, truncatula, 
solidula, confertim costulata, lineisque spiralibus obscuris ob- 
tuse decussata, pallicle cornea, punctis fuscis seriatis remote 
ornata, sine nitore; spira regulariter attenuata; sutura confer- 
tim papilloso-crenulata ; anfr. superst. 5, convexiusculi, ultimus 
breviter adnatus; apertura verticalis , suborbicularis ; perist. 
duplex, albidum, internum vix porrectum, externum latiuscule 
patens, ad anfractum penultimum truncatum, superne angula- 
tim et breviter auriculatum. — Operc.? — Alt. 13, diam. 5; 
apert. intus 4 mill. longa.“ (Sh.) 
Cyclostoma Nervtoni (Chondropoma?) Shuttl. Diagn. n. Moll. Nr. 7. 
p. 152. 
Habitat prope Arecibo insulae Portorico (Newton). 
Obs. »C. hemioto Pfr. forsan affine, sed bene distinctum. “ 
27. Hewcombiannm ©• B. Ad. (Coll. 300. — 
Gray Phan. p. 204. — Ad. Gen. p. 295 — Trosch. 
Gebiss d. Schn. p. 73. — Cyclost. JServcombianum 
Ch. ed. nov. p. 278. — Bland in Ad. Contr. to 
Conch. Nr. 11. p. 216. — Shuttl. Diagn. Nr. 7. p. 
i 52. — Cyclost. Troschcli Pfr. olim. — C. Swif- 
tianum Nerve ) Mon. p. 288. 
