CHOANOPOMA §. 1. 2. 
105 
sutura irregulariter et valide dentata ; anfr. superst. fere 5 
convexi, ultimas breviter solutus ; apertura subverticalis, ovalis ; 
perist. simplex, breviter expansum. — Operc. anfr. 3 margine 
elevates exhibens. — Long. 12^2 — ^3, diam. 5^2 — ^ 
Ap. 3 V 2 longa, 3^4 lata. (Coll. Nr. 226.) 
Choanofoma occidentale Pfr. in Malak. Bl. VIL 1860. p. 216. t. 3. 
f. 11—13. 
Habitat in insula Martinique (Cloue teste Riise.) 
-j:- 
19. sordidum Gundl, (Coll. 227. — Operc. planius- 624 
culum, nucleo subcentrali, marginibus anfrac- 
tuum acute elevatis : Pfr. in Malak. Bl. X. 
1863. p. 193. — Clenopoma sordidum Pfr. 
Pneum. Suppl. p. 106. — Cuba.) . , , , Pneuin. II. p. 106. 
20. C 2 ». Daiidinotl Oundliielft* 
T. subobtecte perforata, oblongo-turrita, breviter truncata, 
costis confertis subargutis sculpta, diaphana, albido-cornea ; 
spira sensim attenuata; sutura denticulis acutis albis munita; 
anfr. superst. 4^/2 — 5, modice convexi, infra suturam interdum 
liris nonnullis indistinctis sculpti, ultiraus breviter solutus; 
apertura subverticalis, ovali-rotundata ; perist. duplex : internum 
vix porrectum, externum subaequaliter patens , superne pro- 
ductum, juxta perforationem subexcisum. — Operc. extus 
parum concavum, marginibus anfr liberis. — Long. 10, diam. 
4 mill. (Coll. Nr. 228 spec, maximum, alia adulta dimidio 
minora.) 
Cyclostoma Daudinoti Gundl. mss. 
— — Reeve Conch, ic. sp. 151. t. 22. 
Choanopoma Daudinoti Pfr. in Malak. Bl. VI. 1859. p. 69. 
Habitat monte Toro districti Guantanamensis insulae Cubae. 
21. pisum C. B. Adams. (Coll. 229. — 'Cteno- 626 
poma pisum Pfr. Mon. Pneum. Suppl. p. 107. 
— Jamaica.) Pneum. I. p. 156. 
§. 2 . 
22. Ch. liystrix. Wright. 627 
T. perforata, scalariformi-turrita, plerumque subtruncata, 
solidula, conferte striata, pallide isabellina; spira turrita, apice 
