104 
CHOANOPOMA §. 1. 
621. 
622. 
623 . 
catum, margine externo subaequaliter patente, plicato-crenu- 
lato, superne levissime auriculato. — Operc. typicum. — Long. 
9, diam. 4^/3 mill. Ap. 2L4 mill, longa. (Coll. Nr. 223.) 
Choanopoma Lachncri Pfr, in Malak, Bl. VIII. 1861. p 223. 
Habitat Catalina prope Sagua cle Tamano insulae Cubae. 
16. CSi. TB*oscheli Pfr. 
T. perforata, oblongo-turrita, truncata, solidula, alabastrina, 
striis chordaeformibus (circiter quinta quavis prominentiore) 
sculpta ; spira sensim attenuata, late truncata ; sutura lamelloso- 
denticulata ; anfr. superst. 4 convex! , ultimus non solutus, 
circa perforationem lira unica obsoleta munitus ; apertura sub- 
verticalis, circularis; perist. duplex: internum nitide album, 
expansum, adnatum, externum subaequaliter patens, concen- 
trice striatum. — Operc. planum , marginibus anfractuum 
elevatis. — Long. 7, diam. 31/3 mill. (Coll. Nr. 224.) 
Choanopoma Troscheli Pfr. in Malak. Bl. XL 1864. p. 103. 
Habitat ,,Cayos de San Felipe“ in parte occidentali 
insulae Cubae. 
Obs, Species praecedenti affinis , anfractu ultimo non soluto et peri- 
stomate non undulato statim distinguenda. 
17. CIi. SforcUi Pfr. 
T. subperforata, oblongo-turrita, truncata, tenuiuscula, con- 
fertissime filoso-costulata, pallide cornea, diaphana ; spira lente 
attenuata, truncata (in junioribus acutiuscula) ; sutura irregu- 
lariter crenulata; anfr. superst. 41/3 convexi, ultimus sublonge 
solutus, teres; apertura verticalis, subcircularis ; perist. duplex: 
internum breviter porrectum, externum undique subaequaliter 
patens, — Operc. Choanopomatis. (Gdl.) — Long. 10, 
diam. 3^2 Ap. 2^/3 mill, lata, vix longior. (Coll. Nr. 225.) 
Choanopoma Storchi Pfr. in Malak. Bl. VIII. 1861. p. 222. 
Habitat „Cayo del Key“ insulae Cubae (Wright). 
18. Ch. oecideiitale Pfr. 
T, subperforata, oblongo-turrita, solidula, truncata, liris 
obsoletis cincta et costulis longitudinalibus chordaeformibus 
subfasciculatis sculpta, baud nitens, fulvida, interdum fasciis 
interruptis rufis indistincte notata ; spira regulariter attenuata ; 
