222 Mr. E. A. Smith 07i new 



gins straight, their lateral angles only being rounded off; its 

 supracoxal dilatation and cervical groove hardly perceptible ; 

 its neck graduate, slightly narrowed behind the insertion of 

 the fore legs, then widening again slightly to its base; its 

 disk transversely convex, with a raised median line. Organs 

 of fight ? abbreviated. Legs apparently constructed as in 

 Oxi/oj)JifhaInia gracilis. Abdomen attenuated from base to 

 apex ; supraanal plate nearly as broad as long, shield-shaped. 

 Cerci enormously long and stout, ensifonn, segmented much 

 as in 8. hiconu's, consisting of a few close-packed ill-defined 

 basal joints, followed by eight distinct ones, gradually length- 

 ening and narrowing from the first to the last. 



Didgmocorypha ensifera^ sp. nov. 



The single immature individual ( $ nymph) from which the 

 above diagnosis has been drawn up measures : — 



Total length 32 millims. ; height of head 8, of which the 

 horns are 5 ; breadth of head 2 ; length of antennae 16 ; of 

 pro thorax 6, of wliich the neck is 1'75, width of prothorax at 

 supracoxal dilatation 1*75 ; length of meso- and metathorax 

 taken together 5 ; of abdomen 15 ; of cerci 9 ; of fore coxa 3, 

 femur 4*5, tibia 2*5, tarsus 4. 



Hah. I found the specimen in the flat country on the eastern 

 flank of the Eajmah^l hills at Teen Pahar, a station on the 

 East-India Railway, about 6 miles south-west of the town of 

 Rajmahal, on tall grass, probably Saccharum spontaneum^ in 

 company with S. bicornis. 



XVIII. — Descriptions of new Species of Conidae and Tere- 

 brida.\ By Edgar A. S.^riTH, F.Z.S., Zoological Department, 

 British Museum. 



In examining the collections of Conidse and Terebridae in the 

 British Museum several very interesting forms have been 

 observed which I have been unable to refer to any described 

 species. Three of the Terebridai were briefly mentioned in 

 this Magazine (1875, vol. xv.), and were presented by Dr. 

 J. Gwyn Jeffreys, F.R.S. ; and seven others, collected by 

 Colonel Pelly in the Persian Gulf, were most liberally placed 

 in the national collection by the late Robert M'Andrew, 

 Esq., F.R.S. 



Conus hrevis, sp. nov. 

 Testa breviter turhinata, superne acute angulata, miuutissime coro- 



