_ 297 — 



ter productus, supernc ad latus dcxtrun» subanjjulatuf^ j sutura me- 

 diocris ; apertura vix obllqua, irregulariter rotundato-ovalis^ perist. 

 obtusuiu, subincrassatum, roflcxiusciilum , margine supcriore sub- 

 hoi'izuntali. 



Diain. maj. 7'/o, lüin. ad trunc. iVaj Alt. 24 inili. : Apert. 4 

 mill. latn. 

 Hab. Cordova, Vera Cruz (Jacot-Guillarmod}. 

 Obs. Affinis C toiiiaccllae et fistula#i.s Mordet (C. Moreietii Desh. 



in Fer. Bht. 11, p. 227, tab. 164, f. 16—18}, ab utraque 



sculptura distinctissima. 



Cylindrclla Riigeli Shatli. 



Testa graeilis, integra, fusiforniis, medio ventrosa, superne 

 valde et i apide atteuuata, tenuiter et remotiuscule costulato-striata, 

 sordide carnescens, strigis pallide fuscescentibus hinc inde marmo- 

 rataj spira apice papillari ; anfr. 14, convexiusculi, ultimus disjunc- 

 tus, deorsim longe productus, vix angulatus ; apertura obliqua, sub- 

 circularis : perist. breviter reflexuai. 



Diam. 12/3, Alt. 91/2 mi^'- 

 Hab. Ad rupes in valle Yumury prope Matanzas, Cuba (RugeQ. 

 Ob^. Affinis C. porrecta? Oould. 



Cyliiidrella niarniorata Shuttl. 



Testa gracilis, integra, fusiformis , medio ventrosa, superne 

 rapide attenuata, vix obsolete striatula, pallide carneo-cornea, stri- 

 gis corneo-fuscis inarmorata, nitidiuscula j spira apice papillari; 

 anfr. 14, convexi, ultimus disjunctus, deorsim oblique productus, 

 circa aperturam tenuiter costulatus , non angulatus; apertura obli- 

 qua, circularis; perist. latiuscule expansum, vix reflexum. 



Diam. fere 2, Alt. 91/2 n\\\\. 

 Hab. In Cuba, cum pra^cedente. 

 Obs. Pra^cedenti affinis, sed distinctissiraa. 



Cyliiidrella scalariiia Shutti. 



Testa gracilis, integra, ovato-fusiforrais , superne subito atte- 

 nuata, costis latis laraellosis crispatulis distantibus eximie ornata, 

 albida, concolor, absque nitore 5 spira superne subcylindrica, apice 

 latiuscule papillari; anfr. 16, convexissimi, ultimus disjunctus, 

 deorsim oblique productus, non angulatus; apertura obliqua, circu- 

 laris; perist. latiuscule expansum, breviter reflexum. 



Diaro. 22/3, Alt. IOV2 mül. 

 Hab, In valle Yumury, Cuba, copiosissime. 

 Obs Species distinctissima, pulcherrima, sed prsecedentibus affinis. 



