576 CYLINDRELLA §. 7—9. 



rotunda, basi angulata; perist. tenue^ acutum, undique hori- 

 zontaliter expansum. — Long. 34, diam. 4 mill. Ap. c. perist. 

 4% mill. longa. (GolL Nr. 37.) 



Cylindrella Agnesiana Adams Contrib. to Conch. N. 2. p. I 9. " 

 p. Minor, anfr. 15; long. 24, diam. 4 mill. 



Habitat in insula Jamaica. 



Obs. Testa integra teste Cl. Adams anfractns 30 otrert, quornm 8 — 

 12 primi adultis desunt. 



* 



66. elongataChemn. (Coll. 38. — Casta^/&. p. 209.) Mon. II. p. 380. 



67. gracilis Wood. (Cull. 39. — Casta Alb. p. 209.) - - - 381. 



§. 8. 

 68. C marmorata Shuttleworth. 



T. gracilHma, fusiformis, iaevigata, opaca, albida, corneo- 

 variegata; spira elongata, integra, acuta; anfr. 12 convexius- 

 culi, ultimus longe solulus, deorsum protractus, subteres; aper- 

 tura obhqua, ampla, subcircularis; perist. undique breviter 

 expanso-reflexum. — Long. 9, diam. \% mill. Ap. diam. 1% 

 milL (ColL Nr. 40.) 



Cylindrella marmorata Shuttl. in Bern. Mittheii. 1852. Dec. p. 297. 

 Habitat in insula Cuba. 



69. C. volubilis Morelet. •[• 



T. cyHndrico-subulata, vix truncata, laevigata, pellucide 

 albida; anfr. 19 convexiusculi, ultimus disjunctus, teres, aper- 

 turam obrotundam, obliquam formans; perist. undique hberum, 

 crassiusculum, breviter reflexum. — Long. 15, diam. 3 mill. (M.) 



Cylindrella volubilis Morelet Test. noviss. L p. H. N. 17. 

 Habitat ad montem Guajaibon insulae Cubae. 



* 



70. porrecta Gould. (Coll. 41. — Siphonostoma 

 porrectum Gould in Proc. Bost. Soc. I. p. 138. 

 — Gongylostoma Alb. p. 208.) Mon.II. p. 372. 



§. 9. 



7L C. gracillima Poey. 



T. non rimata, cylindrico-subulata, vix truncata, tenuis, 

 oblique striata, paliide cornea; sutura vix impressa; anfr. su- 

 perst. 16 — 20 planiusculi, subaequales, uUimus teres, solutus, 

 deorsum protractus, costatus, versus aperturam sensim dila- 

 tatus; apertura obhqua, subcircularis; perist. subincrassatum, 

 undique reflexiusculum. — Long. 17 — 19, diam. 2% mill. Ap. 

 diam. 2 1/3 mill. (Coll. Nr. 42.) 



