250 



ENTOMOLOGICAL SOCIETY 



longs to the sub-family Phalangiidae. The principal characters 

 may be seen in the following description of the genus and 

 species : 



Caddo agilis. i, side view ; 2, dorsal view ; 3, part of leg ; 4, end of 

 tarsus; 5, mandible; 6, part of palpus. 



Caddo * nov, gen. 



One claw to each tarsus ; palpal claw present ; fifth joint of 

 palpi longer than the fourth ; three large spines on lower part 

 of the second joint ; front margin of cephalothorax without 

 spines ; ocular tubercle covering the greater part of cephalo 

 thorax, wider than long, smooth, with a broad median furrow ; 

 eyes very large at each side of ocular tubercle ; body soft and 

 smooth, no apparent segmentation to dorsum of abdomen ex 

 cept at tip ; feet slender ; venter apparently of seven segments. 

 Caddo agilis nov. sp. 



Length, 1.3 mm.; width of abdomen, 9 mm.; width of ocel- 

 liferous tubercle, 75 mm.; color, light brownish, lighter be 

 neath, ocelliferous tubercle yellowish, eyes surrounded by black 

 rings, palpi pale testaceous, coxae yellowish, legs brown, lighter 

 toward the tips ; abdomen purplish brown, with small, lighter 

 patches. 



Palpi with many stiff bristles on joints 3, 4, and 5 ; a few on 

 joints i and 2 ; tip of joint 2 with a projection internally, at the 

 end of which are several stiff bristles ; several bristles at tip of 

 femora and two near tip of patellae ; tarsi hairy, one trans 

 verse suture near base of abdomen, three near the tip of abdo 

 men, tarsi i8-jointed, basal joints longest. 



*An ancient Indian Tribe. 



