146 cYCTjorHORTr»;p. 



204. Cyathopoma colletti, Syl-es. 



Jerdonia trochlea (non Benson), Ilaulev & Theobald, Conch. Tiid. 



1875, pi. 135, figs. 5, 6. 

 Cyathopoma colletti, Svkes, Proc. Malac. Soc. iii, 1898, p. 159, 

 pL 10, figs. 1, 1 a-c (shell), figs. \d,\e (opercnlnni) ; Kobelt & 

 Mollendorfi; Nachr. Deuts. Malak.'Ges. xxxi, 1899, p. 136 ; id., 

 Cat. Pneiim. 1899, p. 104. 

 Cyathopoma {Jerdonia) colletti, Kobelt, Das Tierreich, Lief. 16, 

 1902, p. 225, figs. 47 h, 47 c (operculum). 



Original description : — " Testa dextrorsa, elevata, pyraniidalis, 

 mediocriter et perspective unibilicata, cornea, strigis castaneis 

 obliquis picta ; aufr. 4|, convexi, regulariter aecrescentes, primi 

 l^eves, reliqui spiraliter lirati, ultiious duabus livis, unioa ad 

 peripheriam, altera basali, ornata in regione umbilicari Itevi 

 impressa; sutura impressa; apeitura snbcircularis. Diam. max. 

 1-1, alt. 1 mm. ; spec. maj. diam. 1-5, alt. 1-2 mm." (Sylrs.) 



Bab. Ceylon: Eton Estate, Punduloya, 4000 ft. (Collett). 



" This species may easily be separated I'rom tlie other known 

 species of Ceylon by the fact that it is smooth save for the two 

 distinct spiral lirae on the last whorl, of which only one appears 

 on the earlier whorls, and by the difference in its coloration. 



" The operculum is very remarkable : seen from without it 

 appears as a ring of foliaceous laminjc standing up and surround- 

 ing a deep central pit.'" (tSyl-es.) 



205. Cyathopoma conoideum, Si/kes. 



Cyathopoma conoideum, Sykes, Proc. Malac. Soc. iii, 1898, p. 159, 

 pi. 10, fig. 3 ; Kobelt & MolleudorfT, Nachr. Deuts. Malak. Ges. 

 xxxi, 1899, p. 136; id.. Cat. Pneuui. 1899, p. 104. 



Cyathopoma [Jerdonia) eonoidemn, Kobelt, Das Tierreich, Lief. 16, 

 1902, p. 225. 



Original description : — " Testa dextrorsa, valde elevata, tro- 

 choidalis, mediocriter et perspective umbilieata, periostraco 

 brunnea induta, apice acutulo ; anfr. 7, lente aecrescentes, plano- 

 convexi, primi Iseves, reliqui obsolete spiraliter lirati, ultimus liris 

 duabus, unioa in medio, altera infra, ornatus, fere Isevis in regione 

 umbilicari; sutura valde impressa; apertura subcircularis, basi 

 recedens, continua, peristomate leviter iucrassato. Alt. 2*0, lat. 

 I'o mm.'" 



Hah. Ceylon : Biuoya, Watawala {Collett). 



"A very interesting form, remarkable for its trochoid shape (it 

 is almost turreted in form, owing to the deeply impressed suture) 

 and obsolete si)iral lirse." (Sykes.) 



200. Cyathopoma elatum, Beddome. 



Ct/athopoma {Jerdonia) elatum. Beddome, P. Z. S. 1875, p. 448, 



'pi. 52, fig. 19: Nevill, Hand List, i, 1878, p. 259; Kobelt & 



MoUendorii; Nachr. Deuts. Malak. Ges. xxix, 1897, p. 120; id., 



