4 NEW SPKCIKS OF MARINE SHELlS FkOJiI CKYl.ON 



Alt. 3.75 millini ; diam. maj. 1.25. Aperture, alt. .5 niillim. ; diam. .25. 



Hah. — Ceylon. 



Cerithiopsis abjeeta, n. sp. 

 PI. i, figs. 12 — I 2a. 

 .Shell elongate fusiform, light brown, a broad band of darker brown appearing 

 below the suture, apex rather blunt ; whorls 8, somewhat flattened, sculptured 

 with three spiral ridges intersected by deep transverse grooves giving the 

 shell a beaded appearance ; suture impressed ; aperture rotundly ovate ; 

 columella descending truncate below and extending into a callosity which 

 reaches the lip above ; peristome simple. 



Alt. 2 millim ; diam. maj. .75. 



Hah. — Ceylon. 



Cerithiopsis brunneoflavida, n. sp 



PI. i, fig. 13. 

 Shell elongate turriform, bright biownish yellow; wliorls 11 — r2, sculptured 

 with three somewhat distant revolving lirae intersected by fine transverse 

 striae presenting a coarsely jjunctate appearance ; suture impressed ; aperture 

 rotundlv ovate : culuinella curved and truncate below 



Alt. S niillim. ; diam. maj. 2.25. Aperture, alt. i millim. ; diam. .75. 



Hah. — Ce\l()n. 



Cerithiopsis orientalis, n. sp. 



PI. i, figs. 14 - 14a. 

 Shell elongate, vellowish white ; whorls 14-15, sculptured with three closely 

 set coarse spiral lirae. interrupted by transverse grooves giving the shell a 

 a bt-aded ajjpearance : suture deeply impressed; aperture rotundly ovate ; 

 columella descending in a slight curve, truncate below. 



Alt. 8 millim. ; diam. maj. 1.75. Aperture, alt. .25 millim. 

 Hal) — CeyUjn. 



Diala polita, n. sp. 



PI. i, fig. 15. 



Shell elongate pyramidal, imperforate, thin, polished, yellowish : whorls S, 



the last spirally striate, the striae becoming much coarser below the periphery ; 



suture impressed ; peristome simi)le : aperture oval. 



^\lt. 4.5 millim. : diam. maj. 1.75. Ajjerture, alt. i nfiUim. 

 Hah. - Ceylon. 



Diala semipeliueida, n. sp 



PI i. fig. ]6. 

 Shell elongate pyramidal, suliperforate, shining white, somewhat pellucid, a 

 n iriow opa(]ue white bund appearing below the sutures : whorls 8 -9, rather 

 llatie.ied, sculf)tured throughout with very fine spiral striae, the last whorl 

 keeled below the periphery ; suture impressed ; aperture oval ; peristome 

 thin ; ctjlumella rather straight and extending into a callosity joining the lip 

 above. 



