412 
Messrs Nuttall and Warburton, 
cervical grooves, a median band, other small spots, one pair con- 
taining the eyes, all dark brown ; eyes white. Venter yellow, the 
large oval spiracles whitish, white enamel at vulva and behind 
anus. Gapitulum large (1*2 mm. L), like that of but palps 
larger; hypostome 3|3, seven teeth per file; oval porose areas. 
Legs (Fig. 36) like <£ , but the spur on coxa IV is almost obsolete. 
Origin. Description based on 1 (/ and 5 $ collected from 
“ Carpinchio ” ( Hydroclioerus capybara ) at Puerto Cooper, Alto 
Paraguay, S. America, by Mr W. F. Cooper in 1904. (Dry 
specimens.) 
Note. — Digit (Fig. 35) of 9 195 g long, dorsal process simply transverse, 
projecting on both sides, external article tridentate. Colon r : placed 48 hours 
in 70% spirit the white enamelled areas (white in Fig. 34) on the <j? scutum 
turned a light coppery colour. 
Arnbly omnia uncatum n. sp. 
Figures 37 — 40. 
Male, L. 3‘7 to 41 mm.,W. 31 to 3 2 mm. Body (Fig. 37 A) long 
oval, somewhat narrow in front. Scutum covers the whole dorsum ; 
chestnut-coloured with characteristic white markings (see Note), 
the principal being two hook-shaped patches (whence “uncatum”) 
beginning on the scapulae and terminating near the eyes, and two 
A B 
Fie. 37. <? , A dorsal aspect, B coxae I — IV. 
curved patches connecting the first and third festoons on- either 
side of the median festoon ; other more or less obsolete small 
white spots limiting a pseudoscutum and connecting it by broken 
lines with the posterior patches ; cervical grooves oval pits ; no 
marginal grooves ; festoons not deeply separated ; punctations 
