245 



14. Cyclostoma pleurophorum, Pfr. C. testd umbilicatd, 

 globoso-turbinatd, tenui, longitudinaliter conferte striatd et costulis 

 filaribus.prominentioribus sculptd, diaphand, parum nitidd, albido- 

 fulvescente ; spird turbinatd, apice acutiusculd, corned; suturd 



cosiis denticulatd; anfractibus 5, convexis, ultimo subtcrete, antici 

 breviter soluto ; umbilico mediocri, profunda, angulo cariniformi 

 cincto ; aperturd subverticali, ovato-siibcirculari ; peristomate con- 

 tinuo, simplice, recto, margine columellari eipansiusculo . — Oper- 

 culum duplex, lamind externd testaced, 5-spiratd, margmibus 

 anfractuum liberis, internd pla?id , cartilagined. 



Diam. niaj. 11, min. 9f, alt. 9f mill. 



Hab. Honduras. 



15. Cyclostoma fasciculare, Pfr. C. testd perforatd, acumi- 

 nato-ovatd, soliduld, confertissime costulato-striatd, vix sericed, 

 griseo-corned ; spird conicd, acutiusculd ; suturd costularumfasci- 

 culis crenatd ; anfractibus 5, convexiusculis, ultimo rolundato, basi 

 spiraliter sulcato ; aperturd vix obliqud, ovali ; peristomate sim- 

 plice, 7-ecto, acuto. — Operculuin terminale, testaceum, planum, 

 paucispirum, anfractibus oblique striatis. 



Long. 12, diam. 8 mill. 

 Hab. ? 



16. Cyclostoma Guatemalense, Pfr. C. testd perforatd, ob- 

 longd, soliduld, subtruncatd, striatuld, olivaceo -fused ; spird con- 

 vexiusculo-turritd ; anfractibus 6, parum convexis, ultimo angus- 

 tiore, antice descendente, breviter soluto, basi, circa perforationem 

 apertam, compresso, nee carinato ; aperturd verticali, subcirculari ; 

 peristomate libera, albo, duplice : interna continuo, vix porrecto, 

 externa dilatato, harizontaliter expanso, supra perforationem 

 exciso . — Operculum ? 



Long. 24, diam. 8 mill. 

 Hab. Vera Paz in Guatemala. 



17. Cyclostoma CANESCENS, Pfr. C. testd subperfaratd, ablonga- 

 turritd, truncatuld, salidd, lineis langitudinalibus et spiralibus 

 elevatis regulariter clathratd, parum nitidd, griseo-albidd ; spird 

 elongatd; suturd tuberculis confertis, albis crenatd; anfractibus 

 superstoinate 7, vix convexiusculis, ultimo basi attenuata, circa 



perforationem obsaletam distinctius spiraliter sulcato; aperturd 

 verticali, angulato-ovali, intus fusco-carned ; peristomate duplice: 

 interna vix porrecto, externa undique breviter expanso, superne 

 angulata, anfractui penultimo breviter adnata. — Operculum ? 



Long. 20, diam. 7 mill. 



Hab. ? 



18. Cyclostoma viOLACEUM, Pfr. C. testd subabtecte perforatd, 

 ovato-turritd, truncatd, soliduld, lineis elevatis spiralibus et con- 



fertioribus langitudinalibus oblongo-granulatd, haud scabrd, non 

 nitente, saturate violaced; spird turritd, truncatd; anfractibus 

 superstamate 4^, convexis, ultimo rolundato ; aperturd subverticali. 



