245 
14. CycLostomMA PLEUROPHORUM, Pfr. C. testd umbilicatd, 
globoso-turbinatd, tenui, longitudinaliter conferte striatd et costulis 
jilaribus, prominentioribus sculptd, diaphand, parum nitidd, albido- 
Sulvescente ; spird turbinatd, apice acutiusculd, corned; suturd 
costis denticulatd ; anfractibus 5, convezis, ultimo subterete, antice 
breviter soluto ; umbilico mediocri, profundo, angulo cariniformi 
cincto ; aperturd subverticali, ovato-subcirculari ; peristomate con- 
tinuo, simplice, recto, margine columellari expansiusculo.—Oper- 
culum duplex, lamind externd testaced, 5-spiratd, marginibus 
anfractuum liberis, internd pland, cartilagined. 
Diam. maj. 11, min. 92, alt. 92 mill. 
Hab. Honduras. 
15. CycLosroma FAscicuLARE, Pfr. C. testd perforatd, acumi- 
nato-ovatd, soliduld, confertissimé costulato-striatd, vix sericed, 
griseo-corned ; spird conicd, acutiusculd ; suturd costularum fasci- 
culis crenatd ; anfractibus 5, convexiusculis, ultimo rotundato, basi 
spiraliter sulcato ; apertura vix obliqud, ovali; peristomate sim- 
plice, recto, acuto.—Operculum terminale, testaceum, planum, 
paucispirum, anfractibus oblique striatis. 
Long. 12, diam. 8 mill. 
Hab. 2 
16. Cyctosroma GuaTEMALENSE, Pfr. C. testd perforatd, ob- 
longd, soliduld, subtruncatd, striatuld, olivaceo-fuscd ; spird con- 
vexiusculo-turritd ; anfractibus 6, parum convexis, ultimo angus- 
tiore, anticé descendente, breviter soluto, basi, circa perforationem 
apertam, compresso, nec carinato ; aperturd verticali, subcirculari; 
peristomate libero, albo, duplice: interno continuo, vix porrecto, 
externo dilatato, horizontaliter expanso, supra perforationem 
exciso.—Operculum? 
Long. 24, diam. 8 mill. 
Hab. Vera Paz in Guatemala. 
17. CycLosroma CANESCENS, Pfr. C. testd subperforatd, oblongo- 
turritd, truncatuld, solidd, lineis longitudinalibus et spiralibus 
elevatis regulariter clathratd, parum nitidd, griseo-albidd ; spird 
elongatd ; suturd tuberculis confertis, albis crenata ; anfractibus 
superstomate 7, vix convexiusculis, ultimo basi attenuato, circa 
perforationem obsoletam distinctius spiraliter sulcato; aperturd 
verticali, angulato-ovali, intus fusco-carned ; peristomate duplice': 
interno viz porrecto, externo undique breviter expanso, superné 
angulato, anfractui penultimo breviter adnato.— Operculum ? 
Long. 20, diam. 7 mill. 
Hab. ie 
18. CycLostoma vioLaceum, Pfr. C. testd subobtecté perforatd, 
ovato-turritd, truncatd, soliduld, lineis elevatis spiralibus et con- 
Sertioribus longitudinalibus oblongo-granulatd, haud scabrd, non 
nitente, saturate violaced ; spird turritd, truncatd; anfractibus 
superstomate 43, convexis, ultimo rotundato ; aperturd subverticali, 
=) 
4. ae 
