CYCLOSTOMUS $. 1. 2. 171 
10. Kieneri (Cyelostoma) Pfr. IL. 114. III. 125. — Madagascar. 
ll. liratus (Cyelostoma) Pfr. I. 194. II. 114. III. 125. — Madagascar. 
* * 
* 
12. 0. perspectivus Sowerby. 1 
esta depresso-turbinata, patentissime umbilicata, pallide 
rufo-fusca; spira depressiuscula; anfractibus anguste rotundatis, 
superne spiraliter obtuse liratis, concentrice decussate striatis, 
medio obsolete striatis, latissime unicarinatis, ultimo circa 
umbilicum valide lirato; apice plumbeo; apertura subcircularis; 
labro rufo-brunneo, late expanso reflexo, superne producto; 
operculo calcareo, plano.* (S.) — Dimensiones desiderantur. 
Cyclostoma perspectivum ((Tropidophora) .Sow. in Proc. Zool. Soc. 1873. 
p. 452. 
Habitat Madagascar. 
Obs. Species affinis C. unicarinato .Lam., sed magis depressa, multo 
amplius umbilicata et carina magis expansa praedita. 
312: 
13. campanulatus (Cyclostoma) Pfr. (Coll. 4.) I. 194. II. 114. III. 
125. —  P'ütel Cat. p. 199. —  Cyelostoma unicarinatum Sow. ex 
parte, tricarinatum Pot. $&  Mich.? — Tropidophora. campanulata  Pfr. 
Madagascar. 
14. bicarinatus (Cyclostoma) Sow. (Coll. 5.) I. 195. II. 114. III. 
195. —  Pütel Cat. p. 122. — Madagascar. 
15. pulehellus (Cyclostoma) Sow. (Coll. 6.) I. 195. II. 114. III. 
125. — Pütel Cat. p. 122. — Cyclostoma Hanleyi Pfr. — Madagascar. 
16. zonulatus (Cyclostoma) Fér. I. 196. II. 114. III. 125. — Ma- 
dagascar. 
17. principalis (Cyclostoma) Pfr. III. 125. — Madagascar. 
18. triearinatus (Helix) Müll. I. 197. II. 115. III. 125. — Cyelostoma 
tricarinata. Lam. — Turbo carinatus Wood. — Madagascar. 
19. carinatus (Turbo) Born. (Coll. 7.) I. 198. II. 115. III. 125. — 
Cyclostoma carinata. .Lam., tricarinatum. Sow. — Habitat? 
90. unicolor (Cyclostoma) Pfr. I. 199. II. 115. III. 125. — Habitat? 
21. delieiosus (Cyclostoma) Fér. I. 199. II. 115. III. 126. — Ma- 
dagascar. 
22. Michaudi (Cyclostoma) Grat. 1. 200. II. 115. III. 126. — ütel 
Cat. p. 122. — Cyclostoma. carinatum Sow. ex parte. — Madagascar. 
23. Barelayanus (Cyclostoma) Pfr. (Coll. 8.) I. 200. II. 115. III. 
126. — Pütel Cat. p. 122. — Isle de France. 
24. C. mauritianus H. Adams. 1 
.C. testa anguste umbilicata, ovato-conica, tenuiuscula, 
pallide fulva, strigis fulvis ornata; spira conica, apice acutius- 
