372 CYLINDRELLA §. 7. 



tractus, basi compresso-carinalus; apertura obliqua, subcircu- 

 lariS; basi canaliculata; perist. album^ continuum, undique ex- 

 pansum et reflexiusculum. — Lone;. 18 — 20, diam. max. 3^2 

 mill. Ap. oblique S^/a mill. longa.^(Coll. Nr. 77.) 



Cylindrella Hjalmarsoni Pfr. in Malak. Bl. V. 1858. p. 153. 

 t. 3. f. 16—18. 



Habitat « Sierra Monte Crisli » insulae llaiti (Hjalniarson). 



Obs. Similis C. planospirae Pfr., Gubensi, facile distinguenda carina 

 basali acuta, crenulata. 



* 

 110. (61.) angulifera Gundl. (Coll. Nr. 78.) Sanfiago de Cuba. (IV. 701.) 



111. C Presasiana Pfr. 



T. subrimata , cylindrico-turrila, tenuis, integra vel trun 

 cata^ subtiliter et conferte striata , pallide cornea, pellucida, 

 sericina; spira supra medium sensim attenuala, vertice subtili; 

 anfr. (integrae) 14 (truncat. 8 — 9) convexiusculi , uUinms vix 

 protractus, basi subangulatus; apertura obliqua, circularis; 

 perist. continuum, undique breviter expansum. — Columna in- 

 terna simplex. — Long. (inlegr.) 13, diam. 2% niili. Ap. diam. 

 2 mill. (Coll. Nr. 79.) 



p. Cristallino-albida. 

 Cylindrella Presasiana Pfr. in Malak. Bl. XIII. 1866, p. 62. 

 Habitat « Hato Sagua » insulae Cubae. 



112. C. capillacea Pfr. 



T. rimata, fusiformi-turrita, tenuis, confertissime capillaceo- 

 striata, alabastrina; spira a medio regulariter attenuata, apice 

 integra, acutiuscula; sutura profunda; anfr. ISy^ convexi, ulti- 

 mus teres, juxta riraam impressus, solutus, descendens, antice 

 fortius striatus; apertura subdiagonalis, circularis; perist. undi- 

 que breviter expansum. — Long. IIV2, diam. max. 2^2 niill. 

 Ap. diam. i% mill. (Coll. Nr. 80.) 



Cylindrella capillacea Pfr. in Malak. Bl. XI. 18 63. p. 9. 

 Habitat Viiiales in parte occidenlali insulae Cubae (Wright). 



* 



113. (62.) volubilis Morel, (Coll. Nr. 81.) Chemn. p. 24. — Gongy- 

 lostoma A^. 39. — CylindreUa saxosa Poey. — Columna inlerna 

 filo vix prominente circumvoluta. — Cuba. (III. 576. IV. 701.) 



114. C. notata Gundlach. 



T. subrimata, turrita^ tenuis, oblique confertissime striata, 

 pellucida, nitida, cornea; spira regulariter attenuata, integra, 



