152 CTCLOPHOEID^. 



Original description: — " C. testa miiuita, umbilicata, turbinato- 

 conica, liris spiralibus subtus coufertioribus ciiicta, oblique 

 striatula, sub epideriuide luteo-fusca albida ; spira conica, apice 

 obtusiusculo, sutura profunda; anfraotibus 5, valde convexis, 

 ultimo c3'liudrico ; apertura vix obliqua, circulari; peristomate 

 continuo, simplici, recto, acuto, ad anfractum penultimum breviter 

 adhaerente. Operculo calcareo, medio anguste concavo, nigrescente, 

 polito, luargine lato planato, arctissime spirali. 



"Diam. 2, alt. 2,i mill." (Benson.) 



H.ah. Andaman Islauds {Theobald). 



217. Cyathopoma trochlea, Benson. 



Cyclostoma trochlea, Benson, A. M. N. H. ser. 2, viii, 1851, p. 189 ; 



Pfeiffer, Conch.-Cab., Cyclostomaceen, 1854, p. 380, pi. 49, 



Hgs. 29, 30. 

 Cjjclostomus trochlea, Pfeiffer, Zeits. Malak. viii, 1851, p. 161 ; id., 



Cat. Phaneropn. Brit. Mus. 1852, p. 144 ; id.. Men. Pneum. 1852, 



p. 205. 

 Cyclophorus {Jerdonia) trochlea, W. T. & H. F. Blanford, 



J. A. S. B. XXX, 1861, p. 351 ; Blanford, A. M. N. H. ser. 3, 



xiii, 1864, p. 448. 

 Mychopoma trochlea, Theobald, Cat. Shells Brit. India, 1876, p. 39. 

 Cyathopoma (Jerdonia) trochlea, Nevill, Hand List, i, 1878, p. 259 ; 



'Kobelt, Das Tierreich, Lief. 16, 1902, p. 227. 

 Cyathopoma (s. str.) trochleum, Kobelt & Molleudorft', Nachr. 



Dents. Malak. Ges. xxix, 1897, p. 120 ; id.. Cat. Pnenm. 1899, 



p. 32. 



Original description: — "Testa anguste umbilicata, pyramidato- 

 turrita, glabra, albida, apice obtusiusculo, sutura impressa ; 

 anfractibus 5, angulato-convexis, superne 1 cariuatis, ultimo 

 tricarinato, carino 1 superiori, 1 submediana, 1 circum umbilicari ; 

 apertura obliqua, circulain, ^ longitudinis lequante ; peristomate 

 acuta, ad finem carinse inferioris vix augulato ; umbilico pervio. 



" Diam. 2, long. 3 mill." 



Hah. India : Nilgiris {Jerdon, Blanford). 



"This minute shell is singular in its turrited form, and in the 

 arrangement of its keels, which gives a flat cylindrical appearance 

 to the periphery of the lower whorl," (Benson.) 



218. Cyathopoma turbinatiim, Sgl-es. 



Cyuthopo77ia turbinatiim, Sykes, Proc. Malao. Soc. ii, 1897, p. 236, 

 pi. 16, fiffs. 15, 16 ; Kobelt .t M511endorff, Nachr. Dents. Malak. 

 Ges. xxxi, 1899, p. 136 ; id.. Cat. Pnenm. 1899, p. 104. 



Cyathopoma (.Terdonia) turbinatum, Kobelt, Das Tierreich, Lief. 16, 

 1902, p. 227. 



Original description: — "Testa dextrorsa, depresso-pyramidalis, 

 late et perspective umbilicata, periostraeo brunneo levissime 

 induta, apice obtusula ; aufr. 5, celeriter accrescentes, leviter et 

 obsolete spiraliter carinata, in umbilico lirati, ultimus carinis 



