132 
CISTULA §. 4. 
dissime cornea, lineis rufis angulosis sagittata; sutura simplex; 
anfr. superst. 4 convexi , ultimas non solutus ; apertura ver- 
ticals, angulato-ovalis ; perist. duplex : internum continuum, 
bre viter expansum , subadnatum , externum dilatatum , patens, 
superne cucullatum, latere sinistro flexuosum. — Operc. ? — - 
Long. 21, diarn. 11 mill. Ap. 8 J / 2 mill, longa, 6 lata. (Mus. Brit.) 
Cyclostoma sagittifcrum C. B. Ad. Contr. to Conch. Nr. 8. p. 137. 
Cistula? sagiltifera Pfr. Mon. Pneum. p. 266. n. 12. 
— — Gray Cat. Phan. p. 187. 
— — H. et A. Adams Gen. rec. Moll. II. p. 294. 
Habitat in insula Jamaica. 
14. C- illustris Poey. 
T. vix perforata, oblongo-turrita , solidula, lineis elevatis 
spiralibus et costis confertioribus acutiusculis anguste reticu- 
lata, fulvida, strigis et fasciis rufis, interrupts ornata; spira 
regulariter attenuata, apice obtusa, plerumque truncata; sutura 
albo-crenata ; anfr (testae integrae 8) superst. 5 convexi, re- 
gulariter accrescentes , ultimus basi distinctius spiraliter sul- 
catus ; apertura verticalis, oblique ovalis; perist. album, du- 
plex: internum expansiusculum, adnatum, externum continuum, 
dilatatum , expansum , superne angulatim productum , ad an- 
fractum contiguum angustatum. •— Operc. normale Cistulae. 
— Long, testae integrae 17, truncatae 15, diam. 6 mill. Ap. 
intus 4 mill, longa, 3 4 / 2 lata. (Coll. Nr. 266.) 
Cyclostoma truncaturn Pfr. in Zeitschr. f. Malak. 1847. p. 105. Nec Wiegm. 
— — Chemn. ed. nov. p. 118. t. 14. f. 20. 21. 
— Candeanum Sow. Thes. t. 31. f. 283. 284. Nec Orb. 
— Delatreanurn Poey Memor. I. p. 393, et in litt. 
— illustre Poey in litt. 1856. et Mem. II. p. 33. (Jul. 1857.) 
Cistula Candeana Pfr . Mon. Pneum. p. 267. n. 13. 
— — Gray Cat. Phan, p. 187. 
— — H. e t A. Adams Gen. II. p. 294. 
— — Trosch. Gebiss d. Schn. p. 75. t. 5. f. 1. 
— Dclatreana Pfr. in Malak. Bl. 1855. p. 85. III. 1856. p. 129. 
— illustris Pfr. in Malak. Bl. IV. 1857. p. 116. 
Habitat in insula Cuba. Prope Matanzas ipse legi, prope 
Trinidad amicus Gundlach. 
0 b s. Species a Cl. Sower by et me ipso antea cum C. Candeano 
Orb. confusa, turn suadentibus Cl. Poey et speciminibus Musei Britannici 
(operculo destitutis) nomine C. Delatreani Orb. designata, nunc detecta 
specie omnino (etiam quoad operculum) Orbignyanae congrua, nomine novo 
donata. Conf. Chondroporna Delatreanurn . 
