﻿162 Annals of the SotiUi African Manenni. 



STENOTYPIILOPS, n. a. 



Carapace naii-ow, eyelobe without visual elements, all live pedi- 

 gerous segraeuts conspicuous, pleou slonder, telson carrying three 

 apical spines. First antenna with both fiagella elongate. Second 

 antenna of female four-jointed. First maxilla with unisetose palp. 

 First maxillipeds with terminal joint peculiarly widened at the base. 

 In the female first and second peryeopods with exopods, third and 

 fourth having only microscopic rudiments of them. Fifth pera^opods 

 apparently wanting. 



Male unknown. 



The generic name, from (rnroc, narrow, and ru<///\wi/', blind-faced, 

 is intended to indicate the many points of resemblance between this 

 genus and Platijtijphlops, although the typical species in one of the 

 genera has a broad carapace, and in the other a narrow one. The 

 present genus is further distinguished from its ally by having 

 the palp of the first maxillae furnished with a single apical seta or 

 filament, and by what appears to be the unique conformation of the 

 terminal joint in the first maxillipeds. The absence of the fifth 

 peraeopods, as a negative character based on a single specimen, will 

 naturally be accepted with reserve, but the degraded condition of 

 those limbs in P. ^;er»i^»e?/* is suggestive of a decline through 

 inactivity to extinction. 



Stenotyphlops spinulosus, n. sp. 

 Plate LX. 



The whole surface seems to be more or less densely sprinkled 

 with minute spinules, among which are some that are rather larger, 

 but the close reticulation renders it difficult to make out the 

 arrangement. 



The pseudorostral lobes are slightly upturned, meeting in a point 

 well in advance of the little triangular eyeless eyelobe, from which a 

 keel traverses the middle line far backwards, flanked somewhat 

 behind the centre of the carapace by a pair of raised ridges. 

 The general shape of the carapace is narrowly oval, with sides 

 sharply inflexed. The live pedigerous segments, all dorsally con- 

 spicuous, diminish gradually in width to the fifth, which is no wider 

 than the slender pleon. The telson is about four-sevenths of the 

 length of the peduncle of the uropods, inflated rather more than a 

 third of its length for the anal opening, then converging to its three- 

 spined apex, the margins serrate, and Ijelow the middle having three 

 l)airs of spines, successively larger but none equalling the apical 



