Right mandible 



Left iiiaiulilili 



I 



4.S«> I'ACK SKdC.SIlKKC. 



The Naples spooiiuen showed the tnllowing arrangcniont: 



I f) bristles in a distinct Idwit row. 

 '2 .. ,. .. upper 



I bristle elose tn the main bristle b. 



."> bristles in a. distinct lower mw. 

 ' ;5 ., ,, „ „ upper ,, 



The end claw is iimisually powerful, about as loim as tin' anterior sides of the (wo distal 

 joints; it is very weakly pectinattnl. 



•M axilla (tig. 8): — P r o t o p o d i t o: The tlistal eudite has three bristles, the middle 

 one of which is somewhat shorter than the two others. The dorso-proximal bristle is very short. 

 The basale has one moderately long ventral bristle; the short ventero-distal bristle is developed 

 and one dorso-distal bristle of moderate length. E n d o j) o d i t e: The postero-distal bristle 

 of the first joint is only about half the length of the bristle on the end joint. 



Sixth limb: — The posterior edge is fairly straight; the posterior ventral eorner, 

 however, is rather broadly rounded (about the same as in fig. 7 of A. MiUleri var. longiseta). 

 It has about sixteen posterior and two anterior ventral bristles. Two bristles are developed 

 on the anterior edge. 



Seventh limb: — This is armed with twelve cleaning bristles of moderate and 

 somewhat different lengths. Of these bristles six are situated close together distally, three on 

 each side, six are scattered somewhat proximally of the former, three on each side of the limb 

 (about the same as in fig. 10 of .4. Ohlini). Each cleaning bristle has three or four bells. Each 

 end comb consists of about ten to twelve teeth, which increase somewhat in strength the nearer 

 to the point of the limb they are situated. The two or three proximal teeth on both sides of 

 the end comb are armed with from about four to six pairs of rather fine secondary spines (about 

 the same as in fig. 8 of A. Mulleri var. longiseta). The distal teeth are armed with one or 

 sometimes two pairs of very powerful secondary spines. The points of the teeth are very 

 powerfid, lancet-hke, finely serrated (about the same as in fig. 8 of A. Mulleri var. longiseta). 



F u r c a: — This has nine claws, of which the six anterior ones may be denoted as main 

 claws. The two anterior main claws have no basal ventral teeth. The three secondary claws 

 are more or less distinctly annulated. 



The lateral eyes are well developed. The median eye has short, fine hairs 

 (indicated in the accompanpng figure 9). 



The male is unknown. 



Relaiions Remarks: — The description given above is based chiefly on one specimen, a mature 



10 other species, {gj^^j^ ^^.^^ ^.^^ kindly sent to me by Professor G. S. Brady and that was determined by this 

 investigator as Asterope teres (A. M. NORMAN). 



This species of A. M. Norman's was introduced into the literature, 1861, p. 28U under 

 the name of Cypridina teres. The original description, which is based on the investigation of 

 an empty shell, — „animal incognitum" — is very incomplete; only the following information 



