CHONDROPOMA §. 4. 141 



fertissime costulato-striata, lineisque spiralibus obtusis incon- 

 spicue subdecussata et nodulosa, violaceo-fusca, lineis flexuo- 

 sis, vel niaculis curvatis, seriatis, saturatioribus plurizonata, 

 non nitens; spira regulariter attenuata; sutura confertim pa- 

 pilloso-crenulata; anfr. superst. 51/2 convexiusculi, ultimus an- 

 tice breviter solutus ; apertura parum obliqua, subovalis ; perist. 

 subduplex, pallidum, obscure fusco-punctatum , internum vix 

 levitei porrectum, externum anguste patens, superne brevissime 

 angulato-productuni. — Operc. norm. — Long. 20, diam. 8 

 mill. Ap. 6 mill. longa. (Coll. Nr. 298.) 



Cyclostoma Blmincri (Chondropoma) Shuttl. Diagn. n. Moll. Nr. 7. p. 151. 

 Habitat prope Humacao insulae Portorico (Blauner). 



Obs. „Forma, sculptura et pictura C. decussato satls simile , sed 

 operculo et peristomate optime distinctum." 



* 



25. Iiesniotimi Pfp. (Coll. 299. — Proc. 1852. p. 

 143. — Ch. ed. uov. p. 370. t. 48. f. 3. 4. — Gray 

 Phan. p. 204. — Ad. Gen. p. 295.) Mon. p. 288. 



26. Ch. l¥e%vtoni Sliiittieworth. f 



„Testa subperforata , elongato-oblongo-turrita , truncatula, 

 solidula, confertim costulata , lineisque spiralibus obscuris ob- 

 tuse decussata, pallide cornea, punctis fuscis seriatis remote 

 ornata, sine nitore; spira regulariter attenuata ; sutura confer- 

 tim papilloso-crenulata; anfr. superst. 5, con^^exiusculi, ultimus 

 breviter adnatus; apertura verticalis, suborbiculai^is ; peiist. 

 duplex, albidum, internum vix pprrectum, 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 Newtoni (Chondropoma?) Shuttl Diagn. n. MoU. Nr. 7. 

 p. 152. 



Habitat prope Arecibo insulae Portorico (Newton). 



Obs. 'C. hemioto Pfr. forsan affine, sed bene distinctum." 



27. JXewcombianiim C B. Ad. (Coll. 300. — 

 Grny Phan. p. 204. — Ad. Gcn. p. 295 — Trosch. 

 Gebiss d. Schn. p. 73. — Cyclost. Newcombiinmrn 

 Ch. ed. nov. p. 278. — liltmd in Ad. Contr. to 

 Conch. Nr. 11. p. 216. — Shtdtl. Diagn. Nr. 7. p. 

 152. — Cyclost. Troscheli Pfr. olim. — C- Swif- 

 tianum Newc } Mon. p. 288. 



