CISTULA §. 1. 
141 
lato-striata, superne isabellina , corneo indistincte variegata, 
subtus albida; spira parum elevata, vertice mucronulato ; anfr. 
41/2 convexiusculi, ultimus teres, circa umbilicum file obsolete 
vel nullo munitus; apertura obliqua, ovali-rotundata ; perist. 
simplex, breviter adnatum, margine dextro ad insertionem 
subsinuato, duplicato-producto , turn expansiusculo , sinistro 
breviter reflexo. — Operc. planum, albidum. — Diam. maj. 
13, min, 10, alt. 6^/2 mill. Ap. fere 6 mill, longa. (Coll. 
Nr. 390.) 
Cistula arctisiria Pfr. in Malak. Bl. X. 1863. p. 195. 
Habitat in parte orientali insulae Cubae* 
6 . C. interstitialis Cfimdlach. 
T. umbilicata, globoso-turbinata, tenuis, radiatim conferte 
plicatula et costulis filiformibus remotioribus sculpta, sub- 
diaphana, vix nitidula, cerea vel flavido-rubella ; spira conica, 
acutiuscula ; sutura subtiliter denticulata; anfr. 4^/2 rnodice 
convexi, ultimus antice sublonge solutus, descendens, circa 
umbilicum mediocrem obtuse unicarinatus ; apertura obliqua, 
subcircularis ; perist. duplex : internum vix porrectum, externum 
latere supero et dextro breviter expansum. — Operc. praece- 
dentis. — Diam. maj. 10 — 11, min. 8 — 9, alt. 8 — 9 mill. 
(Coll Nr. 391.) 
Cyclostoma interslitiale Gundl. in litt. 
Cistula mterstitialis Pfr. in Malak. Bl. VI. 1859. p. 74. 
/5. Anfractu ultimo breviter soluto, vertice rubenti-corneo. 
Habitat in insula Cuba : Yateras (Gundl), Cayo del Key 
(Wright). 
7. C. C9imiBlat;a Pfi** 
T. anguste umbilicata, conoidea, solidula, plicis subcon- 
fertis, plus minusve elevatis, sculpta, parum nitens, isabellina; 
spira conoidea, vertice obtusulo ; anfr. 41/2 convexi, summi 
laevigati, reliqui ad suturam subcarinati, ultimus non solutus, 
circa umbilicum liris 2 filiformibus munitus ; apertura obliqua, 
ovali-rotundata; perist. duplex: internum vix prominens, ex- 
ternum breviter patens. — Operc. planum. — Diam. maj, 9, 
min. 72/3, alt. 7 mill (Coll Nr. 392.) 
Cistula cumulata Pfr. in Malak. Bl. X, 1863. p. 194. 
Habitat prope Baracoa insulae Cubae (Wright). 
876. 
877. 
