16 CYCLOTUS §. 1. 



Cyclolus illotus Gould in Proc. Bost. Soc. VI. Febr. 1859. p. 425; 

 Otia conch. p. 104. 

 — — Reeve Coiich. ic. sp. 47. t. 8. 



Habltat Loo Choo (W. Stimpson). 

 Obs. „Persimilis C. suturali So?v. , sed minor et sutura simplice." 



106. 15. dubjiosus C. B. Adams. f [Recve t. 8. f. 41. 



— Cf. Chitly in Proc. Zool. Soe. 1857. p. 149. 



— Jamaica.) Pneum. II. p. 17. 



107. 16. C mininiiis Gundlacii. 



T. late umbilicata, depressisslma, planorbiformis, vix stria- 

 tula, albida; spira subimmersa ; anfr. S^/^ convexiusculi, rapide 

 accrescentes, ultimus non descendens ; apertura subverticalis, 

 circularis; perist. simplex, rectum, anfractui contiguo breviter 

 adnatum. — Operc. indistincte spiratum. — Diam. maj. 5, 

 min. 4, alt. li/. niUl. (Coll. Nr. 12.) 

 Cychtus minimus Gundl. in litt. 



— ? — Pfr. in Malak. Bl. VI. 1859. p. 68; VII. 1860. p. 26. 

 Habltat in reg-ionibus orientalibus insulae Cubae, Monte 

 Toro, Yarayaba, et in monte Yunque. 



Obs. Opercuhim persingulare, quare genus dubium. Testae animalium 

 vivorum nigro-incrustatae et carinis 2 paralleiis e luto nigro formatis muni- 

 tae esse solent. 



108, 17. C. pllcosus ]flartens. f 



,,Testa parvula, depressa, late umbillcata, fusca, epidermide 

 in plicas aperturae parallelas, distantes, (20 In dlmidio an- 

 fractu ultimo) elevata; apex mamilliformiter elatus, laevis, 

 nitidus ; anfr. 31/2, sutura profunda discretl, ultlmus teres, 

 medlocriter descendens; apertura clrcularis, parum obliqua ; 

 peristoma continuum , rectum , obtusum, ab anfractu ultlmo 

 undique solutum. Operculum calcareum, circulare, multispi- 

 rum, fuscum, haud Immersum. — Dlam. maj. 9 mlllim., min. 

 6, nlt. 5; apert. long. et latlt. SVa-" (v. M.) 



vexi, rapide accrescentcs , ultimus subteres , antice subsolutus; apertura 

 parum obliqua, snbcircularis ; perist. simplex, rectum. — Operc. calcareum, 

 extus concaviuscuium, angustissirae spiratum. — Diam. maj. 14^,, min. 12, 

 alt. 7 '/2 mill- Apcrt. diam. 5 mill. — Habitat? 



