118 Records of the Indian Museum. [VOL Ne 
Nassa ariel, sp. nov. 
Shell small, acuminately ovate, yellowish white, stained and 
narrowly banded with pale reddish brown; whorls 8, the first 
three convex, smooth, the remainder flattish, shouldered above, 
sculptured with fine, spiral striae, crossed by coarse, smooth, 
closely-set, transverse costule, a single, very narrow, incised, 
spiral groove appearing on the upper portion of the whorls; base 
of shell bearing six coarse, spiral grooves ; sutures well-impressed ; 
perforation barely perceptible, almost concealed by the reflexion 
of the columella ; columella reflexed, white, polished, slightly ex- 
cavated above, strongly, spirally grooved below, diffused into a 
thin, ill-defined callus which reaches the lip above and bears an 
elongate denticle situate just below the point of insertion of the 
labrum with the whorl above ; labrum varicosely thickened, bear- 
ing a number of very elongate, closely-set denticles which run 
some distance into the interior of the shell; aperture irregularly 
ovate ; canal somewhat broad. 
Altitudes. 7°25 mm 
Diam., major By ten - 
ie minor Sct PEST Eek 
Aperture, alt. Basie s 
diam. I 
+) 
FIG. 2.—Nassa ariel, sp. nov. 
Hab.—Balasore Bay. (B. F. Trawler ‘“ Golden Crown.’’) 
Type in Indian Museum (Reg. No. M. *822). 
Pteronotus annandalet, sp. nov. 
Shell fusiform, pale reddish brown, painted with indistinct 
bands of chestnut ; bearing throughout the entire length three 
foliaceous varices, the first two of which are produced into hollow 
spines below ; remaining whorls 9}, presenting an almost scabrous 
appearance, sculptured with fine beaded striz and transverse 
nodulous coste ; sutures impressed, coarsely and distantly cren- 
ellated by the apices of the transverse cost; columella slightly 
curved, white, expanded; the margin almost erect and extending 
above into a thick, shining, well-defined white callus, bearing an 
