feRtTCE F. CUMMINGS — NONDESCRIPT ANOPLtlRA AND MALLOPHAGA. o9 



two immediately behind. Antennae of four joints, the last two segments being 

 fused into one large swollen segment carrying two partially fused sense-organs 

 half-way along the postaxial margin. Thorax small, short, broader than the 

 head, anterior margin V-shaped. A long hair on the upper surface on each side 

 near the spiracle ; two more closer together on the hind margin. Abdomen oval. 

 Two longitudinal rows of hairs running down the middle of both dorsal and 

 ventral surfaces, two hairs above and two below on each segment ; on the dorsal 

 surface of the second segment, however, there is a transverse row of eight 

 hairs ; at the sides of the ultimate and antepenultimate segments two very long 

 hairs ; on dorsal surface of the second and third segments, a little way in from 

 the lateral margin, a long bristle on each side. Terminal segment of c? with two 



Fig. 3. — Linognathus caviac-captunis (Pallas), $ . 



deep bays, one on either side of the rounded posterior margin. Gonopods long, 

 parallel-sided, the lower inner angles rounded and produced. 



<$ . In this sex the head is shorter, the sides converging a little towards the 

 thorax, and the abdomen is shorter and rounder. 



Lciujth (in mm.), tf 1*25, Q 1*825 ; head, $ 0'45, Q 0*575 • thorax, rf Q 0'25 ; 

 abdomen, tf 0*55, Q 1*00. 



Host : the Cape Hyrax (Procavia capensis, Pallas) ; from the Zoological 

 Society's Gardens, Kegent's Park. 



MALLOPHAGA. 



Genus Trimenopon, nov. 



In being a two-clawed parasite on mammals, this interesting South American 

 insect resembles the Mallophaga of the genera Boopia, Heterodoxus and Latum* 

 cephalum. But whereas these three genera are typical of the Australian region 



