C.^CILIOIDES. 



375 



Ciondla {CeciUoides) halamis, Pfeiffer & Cles^in, Nomencl. Ilelic. 



Viv. 1881,p. 3;5o. ,r r, , o 



aecilioides (GeoKfillmi) balanus, Pilsbry, Man. Conch, ser. J, xx, 



1908, p. 46, pi. 4, Mg?. ()0, 61. 



Original description :— " «lieH evlindrically oblong, somewhat 

 fusiform, whorls four in number, smooth, shining, apex obtuse 

 columelhi arched, truncated, aperture small; dull wliite. (lieeve.) 



Hah. India: Agra (Boys); Uanks of the Jumna, near Humeer- 

 pore, Buudelkhuud (Benson) : Kattiwar, near Agra (Theobald) ; 

 beccau and Sind (Blanford, Theobald) ; Kashmu- (Theobald). 



"T subcvlindraceo-acicularis, laevigata, hyahna ; spira sub- 

 cylindracea,'vix attenuata, obtusa ; anfr. 4 planiiisouli ultimus 

 i longitudinis subaequans, basi dilatatus ; columella substricte 

 recedeus, ad basin aperturae late angulato-ovahs vix truncata ; 

 perist. simplex, rectum, acutum. 



" "Loner. ;3, diam. vix 1 mill. ; ap. 1^ mill, longa.' (Pfe'ffer.) 



Blanford was of opinion * that the shell described by Crosse as 

 Gtostilbia caledonica t, from New Caledonia, was co-specific with 

 halanus, but the figure of the former does not lend any colour 

 to this view. 



341. Csecilioides bensoni, sp. n. 



Shell narrowly cylindrico-conoid, almost fusiform, rather thm, 

 opaque white, smooth aud glossy. Spire narrow, with straight 

 sides ; suture linear, submarginate ; ai)ex obtuse. Whorls 6, 

 flattened, increasing slowly at first, the last four very rapidly. 



Fig. 121. — Ceecilioides bensoni. 



Aperture oblique, pvriform, the margins united by a thm callus 

 on the parietal wall; peristome slightly thickened; outer margin 

 straight, obliquely descentling and curving forward ; basal margin 

 regularly curved : columella slightly curved and t>lightly truncate. 



Length 5, diam. 1-25 mm. 



//a6. India : Plains. Type in the British Museum. 



This new species differs from C. balanus, besides being con- 



* J. A. S. B. xliv, 1875, p. 43. 



t Journ. Concbyl. xv, 1867. p. 186, pi. 7. fig. 4. 



