160 
CHOANOPOMA §. 4. 5. 
44, Ch. Newcombi Crosse, f 
„T. late et perspective umbilicata, breviter conica, tenui- 
uscula, subtranslucida, transversim liris numerosis, tenuibus 
impressa, longitudinaliter striis incrementi decussata, violaceo- 
fusca; spira turbinata, apiee obtusulo; sutura profund e impressa, i 
canaliculata, tenuissime et subregulariter denticulato-laciniata; ; 
anfr. vix 5 convexi, embryonales l 1 ^ sublaevigati, ultimus 
antice breviter ascendens, pone marginem externum albidus, 
basi subplanatus, ad umbilicum liris validioribus et magis di- 
stantibus munitus; apertura obliqua, circularis, intus livide 
violaceo-fusca; peristoma duplex, albidum, externum non libe- 
rum, expansum, imprimis ad occursum anfr actus penultimi 
dilatatum, internum brevissimum, rotundatum. — Operc. nor- 
male. — Diam. maj. 9 l / 2 > min. 8, alt. 6 mill. Apert. 3 mill, 
longa et lata.“ (C.) 
Choanopoma Newcombi Crosse in Journ. Conch. XXI. 1873. p. 352; XXII. ; 
1874. p. 82. t. 3. f. 1. 1 a. 
Habitat in regione Dominicana insulae Haiti (Gabb). 
* 
45. serraticosta (Cyclostoma) Weinland. (Coll. 41.) III. 109. — 
Chondropoma serraticosta Bland in Ann. Lyc. N.-York XI. Jun. 
1875. p. 151. — Haiti. 
§. 5. 
46. eburneum (Cyclo stoma) Gnndl. (Coll. 42.) III. 109. — Cuba. 
47. auricomum (Cyclostoma) Gundl. (Coll. 43.) III. 109. — Patel 
Cat. p. 121. — Cuba. 
48. putre (Cyclostoma) Gundl. (Coll. 44.) III. 110. — Patel Cat. 
p. 121. — Cuba. 
49. alatum (Cyclostoma) Pfr. (Coll. 45.) I. 166. II. 102. III. 110. 
— Patel Cat. p. 121. — Cuba. 
50. solutum (Cyclostoma) Rich. (Coll. 46.) I. 167. II. 102. III. 110. 
— Haiti. 
5 i Ch. RHoreletianum Crosse, f 
„T. late et perspective umbilicata, suborbicularis, depressa, 
tenuiuscula, diaphana, costulis subdistantibus spiraliter cincta, 
lamellis gracilibus, compressis, ad occursum costularum spi- 
nulas cavas, tubuliformes, breves emittentibus longitudinaliter 
sculpta (interstitiis lamellarum tenuissime striatis), albida; spira 
subplanata, medio vix prominula, apice rotundato, obtusulo; 
sutura profunde impressa, subcanaliculata, occursu lamellarum 
denticulata; anfr. 4^ subplanati, embryonales ld /2 laevigati, 
