156 CHOANOPOMA 5$. 1. 
XXXV.  Choanopoma. Pfr. 
Pfr. Mon. Pneum. I. p. 154; II. p. 99; III. p. 100. — 
Fotel Gata. 1849. pa L7. T21. 
Conspectus specierum. 
A. Oblongae vel ovato-conicae S RE TESO SE 
D. Subscalares $. 2. — 24—20. 
C. Globoso-conicae. 
1. Margine peristomatis undulato 8$. 3. — 2'—9391. 
0 — — plano . $. 4. — 38—45. 
D. Depressae . 8&. 5. — 46—55. 
CAD 
1l. majusculum Morelet. (Coll. 1.) I. 154 (mactum). II. 99. III. 100. — 
Pütel Cat. p. 121. —  Cyclostoma majusculum Mor., mactum Poey. 
— Cuba. 
2. decussatum (Cyclostoma) Lam. (Coll. 2.) I. 155. II. 99. III. 100. 
— JPütel Cat. p. 121. —  Cistula? decussata Gray. — Portorico. 
3. senticosum (Cyclostoma) Shuttl. (Coll. 3.) II. 99. III. 100. — 
Pütel Cat. p. 121. — Portorico. 
4. Bebini (Cyclostoma) Arango. (Coll. 4.) III. 100. — Cuba. 
5. Blaini (Cyclostoma) Gundl. (Coll. 5.) III. 101. — Cuba. 
6. minium (Cyclostoma) Gundl. (Coll 6.) III. 101. — .Püte/ Cat. 
p. 121. — Cuba. 
7. tractum (Cyelostoma) Gundl. (Coll. 7.) III. 102. — .Pàtel Cat. 
p. 121. — Cuba. 
&. Ch. Sumichrasti Crosse & Fischer. 1 
.lesta anguste perforata, oblongo-turrita, solidula, longi- 
tudinaliter dense costulato-striata (costulis gracilibus, vix sub- 
arcuatis), pallide cinmnamomea, transversim saturate castaneo 
eleganter bifasciata; spira elevata, apice truncata; sutura im- 
pressa; anfractus superstites 4 convexi, ultimus reliqua spira 
minor (5:9!/), breviter solutus, basi subplanatus, fasciis 4, 
prima haud procul a sutura sita, secunda paulo latiore, vix 
inframediana, tertia et quarta basalibus, transversim cinctus; 
apertura subcircularis, intus pallide cinnamomea, fasciis an- 
fractus ultimi transmeantibus; peristoma liberum, duplex: in- 
ternum breviter reflexiusculum, nitidum, pallide cinnamomeo- 
