192 Annals of the South African Museum. 



lineatus, being merely conical and blunted in the adult and not 

 sharply toothlike or distinctly laterally compressed, as is the case 

 with lineatus from the Cape Peninsula. In young individuals, how- 

 ever, the tubercle is relatively longer and slenderer than in the adult. 

 The enlarged terminal superior tooth in second and third caudal 

 segments is thick and blunt at the apex in the ^ , and not slender 

 and curved at the apex as in the $ of lineatus. In the 2 of insignis 

 this tooth is also thick and very blunt at the apex, although slightly 

 smaller than in the $ , whereas in the ? of lineatus from the Cape 

 Peninsula it is slenderer apically ,than in insignis and much more 

 pointed in at least one of the segments. 



The basal tooth of the pectines in the ? is much more enlarged 

 than in lineatus and, moreover, projects slightly but distinctly beyond 

 the line of the rest. In the 3" the pectinal teeth are broader, and 

 with the exception of the basal one, more imbricating than in lineatus, 

 so that the basal tooth when viewed from below appears distinctly 

 broader than the exposed part of the adjacent teeth. This is not the 

 case in lineatus. In the S' of insignis this basal tooth is further 

 actually enlarged and distinctly exceeds the adjacent tooth in width 

 and length. The number of the teeth varies in the ? from 16-1& 

 (15-17 in Pocock's specimens) and in the J^ from 17-20. 



U. insignis is much rarer than lineatus, and has hitherto been found 

 only at certain places in the Cape Peninsula. Most of our specimens 

 were obtained on the Newlands and Constantia slopes of Table- 

 Mountain by Mr. W. L. Sclater, while a single example was found 

 by Mr. E. M. Lightfoot on the Kalk Bay Mountain. According to 

 Pocock Dr. H. A. Spencer obtained insignis only on Table Mountain 

 and lineatus only on the lower ground. As a matter of fact, however, 

 lineatus is common on the mountain sides as well, and I have myself 

 found both forms living side by side at the foot of the mountain at 

 Newlands. I think, therefore, that insignis is something more than 

 merely a melanistic mountain form of lineatus, and prefer to regard it 

 as a distinct species for the present at any rate, although the struc- 

 tural differences between the two forms cannot be regarded as of any 

 considerable specific importance. 



The boundary between the lateral and inferior surfaces of the fifth 

 caudal segment is generally just distinguishable as a weak edge with 

 or without a row of granules. 



Ueoplectes maelothi, n. sp. 

 ? . Coloiir. — Trunk olive-greenish to brownish black, the abdo- 

 men with a broad, continuous and very conspicuous pale yellow 



