20 
CYCLOTUS §. 4. 5. 
30. C. glaucostoimis Pfr* 
T. umbilicata ., subturbinato- depressa, solidula, striata et 
plicis obliquis superne irregulariter sculpta, nitida, castanea; 
spira brevissime conoidea, apice obtusulo, nudo; anfr. 4 con- 
vexi, rapide accrescentes, ultimus antice dilatatus, basi minute 
malleato-granulatus ; umbilicus pervius, 4 / 4 diametri non aequans; 
apertura vix obliqua, subrotnndata , intus coerulea, margari- 
tacea; perist. rectum, marginibus superne subangulatim junctis, 
columellari subincrassato , perarcuato. — Operc.? — Diam. 
maj. 18 , min. 14, alt. 9 mill. Ap. 8 4 / 2 mill, longa et lata. 
(Mus. Cuming.) 
Cyclostoma glaucostomum (Cyclotus) Pfr. in Proc. Zool. Soc. 1855. 
p. 103. 
Habitat Venezuela. 
Obs. Persimilis C. aspcrulo Sow. ; differt praecipue colore, sculptura 
rudiore, apertura minus obliqua, etc. 
§■ 5. 
31. gemistriatus Sow. (Coll. 20. — Gray Phan, 
p. 11. — Ad. Gen. p.276. t. 85. f. 1. 1 c. — Operc. 
calcareum, arete 6-spiratum, nucleo planato, margine 
anfractuum 4 — 5 exteriorum acute clevato, subreflexo, 
interstitiis concavis , profundis , scabre oblique plica- 
tis. Hab. Kirkee, Deccan: Bens, in Ann. and Mag. 
1854. XIV. p. 416. XV. p. 16.) Mon. p. 22. 
32. C. Ulartinicensia Shuttle worth. f 
„Testa late umbilicata, orbiculata depressa, tenuiuscula, 
striatula, creberrime leviter et obtuse spiraliter sulculata, pal- 
lide olivacea, nitidula ; spira parum elevata, apice obtusiuscula ; 
sutura sat profunda; anfract. 4 ad 4^, celeriter accrescentes, 
convexi, ultimus vix ascendens; apertura vix obliqua, circula- 
ris; peristoma continuum, rectum. — Operc. testaceum, extus 
vix convexiusculum, arctispirum, anfract. 10, margine depresso- 
dilatato. — Diam. maj. 14, min. 1 1 1 / 2 , alt. 8 mill. Ap. 6 mill, 
lata et alta.“ (Sh.) 
Cyclostoma Marliniccnse (Cyclotus) Shutil. in Journ. Conch. V. 3 
(Jan. 1857.) p. 267. 
Habitat in insula Martinique. 
Obs. „C. aspcrulo Sow. affine, sed sculptura et operculo distinctis- 
simum." 
* 
33. distinetns Sow. ( Gray Phan. p. 12. — Apero- 
stoma Ad. Gen. p. 275. — Excludantur descriptio 
operculi et patria Haiti. Conf. species sequens.) . Mon. p. 24. 
