Zoological Society. l^l 



11. Cylindrella ADAMSiANA, Pfr. C. testd vix rimatd, ob- 

 longo-pupiformi, truncatd, nitidd, conferfe striato-punctatd, albidd, 

 corned, irregulariter strigatd et variegatd ; suturd lineari, (clbo- 

 crenulatd; anfractibus (superst.) 8-9, planis, ultimo angustiore, 

 nan soluto, basi cristd compressd, obtusd munito ; aperiurd vix 

 obliqud, subcirculari, ad cristam subcanaliculatd ; peristomate 

 albo, breviter expanso-rejlexo, superne interrupto. 



Long. 14-1 5^, diam. 5 mill. Apert. 4i mill, longa et lata. 

 Hab. St. Domingo {SalU). 



12. Cylindrella salleana, Pfr. C. testd nan rimatd, cylin- 

 draced, gracili, truncatd, oblique confertissime costulato-striatd, 

 nitidd, palUde fuscescente , vel rufo-fuscd ; anfractibus (superst.) 

 17-18, vix convexiusculis, ultimo angustiore, basi carind com- 

 pressd, acutd munito, antrorsum breviter porrecto ; aperturd sub- 

 obliqud, rhombeo-rotundatd, ad carinam distincte canahculatd ; 

 peristomate albo, nitido, undique reflexiusculo-expanso . 



Long. 27, diam. (prope basin) 5 mill. Apert. cum peristomate 4f 

 mill, longa et lata. 



Hab. St. Domingo {Salle). 



13. Cylindrella gouldiana, Pfr. C. testd vix suhrimatd, tur- 

 ritd, truncatd, confertissime costulato-striatd, sericed, pallide cor- 

 ned; suturd impressd, subdenticulaid ; anfractibus {superst.) 9, 

 convexiusculis, ultimo soluto, antrorsum breviter descendente, basi 

 subcompresso ; aperiurd subobliqud, fere circulari, latere dextro 

 subangulatd ; peristomate albo, undique breviter expanso. 



Long. 10, diam. 2i mill. Apert. 2 mill, longa et lata. 

 Hab. St. Domingo (Salle). 



14. Cyclostoma orbignyi, Pfr. C. testd subperforatd, elongate 

 pupoided, solidd, confertim arcuato-striatd, rube/lo-fulvd ; spird 

 subcylindricd, sensim attenuatd, apice conicd; suturd profundd ; 

 anfractibus 8 vix convexis, penultimo lato, ultimo fascia latd vio- 

 laced, antrorsum evanescente, ornato, basi cristd compressd, ob- 

 tusd munito; aperturd circulari; peristomate incrassato, subre- 

 flexo, superne appresso, infra cristam anfractibus penult, subex- 

 ciso. Operculum tenue, albidum, extus concavum, arctispirum. 



Long. 27, diam. 9 mill. 



/3. Unicolor virenti-fulvum. . 



y. Minus, interdum omnino violaceum, anfractibus convexioribus. 



Hab. St. Domingo (Salle). 



15 Helicina versicolor, Pfr. H. testd depressd, tenui, l<Evi- 

 qatd, citrind, scepe viridi variegatd, suturd vel vertice purpureo ; 

 spird parhm elevatd, obsolete papillatd ; anfractibus 4^, planius- 

 culis, rapide accrescentibus, ultimo lato, subdepresso, anttce vix 

 descendente; aperturd diagonali, subtriangulan-semiovali ; colu- 

 melld brevissimd. callum crassum, semicircularem, nitidum. album 

 emittente; peristomate breviter expanso, margine basali subrejiexo, 

 immediate in columellam continuato. Operculum tenue, submem- 

 branaceum, castaneum, margine cohmellari et nucleo patluiis. 

 Diam. maj. 8, min. f)|, alt. ^ mill. 

 Hab. St. "Domingo (iS'«//'0- 



