﻿368 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Pleurotoma (Pleurotomella) Pandionis Verrill, sp. iiov. 



Shell large, tliick, dull brownish yellow, with a very acute, elevated 

 spire ; whorls nine, very oblique, moderately convex, concave below 

 the suture ; whole surface covered with close lines of growth, which 

 recede in a broad curv^e on the subsutural band ; numerous fine, unequal, 

 raised, spiral lines cover the whole surface, except the subsutural band. 

 The upper whorls are also crossed by sixteen to eighteen blunt, trans- 

 verse ribs, about as broad as their interspaces, most elevated on the 

 middle of the whorls, fading out above and below. A^ierture elongated, 

 narrow ; sinus broad and well marked, just below the suture ; canal 

 short, nearly straight. Operculum absent. Length, 43"""; breadth, 

 14.5"'"'; length of aperture, 19'"™; its breadth, 5.5""". 



A large specimen was taken alive at station 895, in 238 fathoms. 



Pleurotoma Carpenteii Verrill & Smith. 



Amer. Jonru. Sci., xx, p. 395 (pnblislied Oct., 1S80). 



Only a few specimens were taken, stations 871 to 873, in 8G to J 15 

 fathoms. 



This si>ecies very likely belongs to 21anfjelia, but I have had for exam- 

 ination no specimens with the animal. 



^Taranis Morchii ? CMalm) Jeffreys, Aiiuals aud Maj^., v, 1870. 

 G. O. Sars, Moll. Eeg. Arct. Norv., p. '220, pi. 17, lis. 8. 



Two good examples of a prettily sculptured shell, which I refer doubt- 

 fully to this species, Averc taken at station 891, in 305 fathoms, off New- 

 port, E. I. They do not agree fully with Sai-s's figure and descrii)tiou. 



Whorls six, the lower ones sharidy angulated and carinated. There 

 are five revolving, nodulous carinje on the body-whorl, one close to the 

 suture ; the second and most prominent surrounds the periphery ; the 

 other three are on the anterior half; some faint additional ones appear 

 on the canal ; the three i)receding whorls have the subsutural and the 

 sharp central carina, and usually the third carina is more or less ex- 

 posed at the suture. Between the first and second carinas the surface is 

 flat or slightly concave. The whorls are crossed by numerous thin, 

 delicate, flexuous, regularly spaced, raised ribs, w]ii<;li are conspicuous 

 between the carina^., and produce sharp nodules Avhere they cross them. 

 The nucleus is small, rounded, light chestnut- brown, minutely cancel- 

 lated with microscopic lines running in two directions. Sinus of the lip 

 shallow, rounded. Length, 4'""; breadth, 2'""'. 



The principal difiereuce between our specimens and the form figured 

 by Sars is that in the latter there are more carina?, two of which sur- 

 round the periphery, instead of one. 



Taranis pulchella Verrill, sp. uov. 



A smaller and more slender species than the precet]ing, with a more 

 acute spire, and with the carinte sharp, bat not nodulous. Whorls 

 seven, angular, the lower ones carinated and shouldered. Body-whorl 



