CYCLOPHORUS §. 
99 
1 . 2 . 
y. striati 
d . laevigati .... 
b. Umbilico semitecto . . . 
c. Umbilico clauso . . . . 
B. Peristomate recto. 
a. Subturbinati, 
a. laevigati vel striati . . 
/?. spiraliter sculpti . . . 
b. Depressi. 
1. Peristomate incrassato . 
2. — tenui 
ct. Spiraliter striati vel 
sulcati 
/?. Oblique rugosi vel 
foveolati .... 
y. Simpliciter striati 
3. Utrinque excavati 
(Buckleyia) . . . 
III. Peristomate superne inciso ( La - 
gocheilus ) 
IV. Subgenus Ditropis 
V. Subgenus Euptychia .... 
§. 
10. 
Nr. 
85— 89. 
§• 
11. 
— 
90. 
§• 
12. 
— 
91- 
-105. 
§• 
13. 
— 
106. 
§. 
14. 
107- 
-119. 
§• 
15. 
— 
120- 
-140. 
§• 
16. 
— 
141- 
-148. 
§• 
17. 
— 
149- 
-170. 
§. 
18. 

171- 
-175. 
§. 
19. 
— 
176—185. 
§• 
20. 
— 
186— 
-187. 
§. 
21. 

188- 
-192. 
§• 
22. 
— 
193- 
-195. 
§. 
23. 
— 
196. 
§• 1 . 
1. brevis (Lituus) Martyn. (Coll. 1.) I. 42 (Pterocyc'los). II. 40. III. 
60. — Patel Cat. p. 119. — Cyclostoma Petiverianum Gray , breve 
Pfr. , lychnus Morelet. — Myxostoma Petiverianum Trosch ., breve 
Frfd. in Verh. zool. bot. Ges. Wien. XIX. 1869. p. 878: Nicobar. 
— Ins. Poulo Condor. 
§. 2 . 
2. C. monachus (Cyclostoma) Morelet. f 
„T. late umbilicata, subdiscoidea, solida, striatula, nitida, 
saturate castanea, cingulo angusto, fulvo ad peripheriam no- 
tata; spira depresso-conoidea, apice obtusiuscula; anfr. 5 con- 
vexi, infra suturas concavo-planati, supremi regulariter plicati, 
ultimus basi dilatatus, non descendens; umbilicus late perspec- 
tive; apertura perobliqua, irregulariter circularis, intus coeru- 
lea; perist. albidum, crassum, breviter reflexum, subduplex, 
marginibus distantibus, columellari superne angustato, externo 
ad insertionem dilatato. — Operc.? — Diam. maj. 38, min. 
311/2, altit. 17 mill." (M.) 
7 
