458 
Messrs Cooper and Robinson, 
widest at level of spiracles, dull reddish-brown with darker 
irregular streaks, rugose, few scattered punctations, devoid of 
hairs : marginal grooves complete, deep ; postero-median and 
accessory grooves short, not well defined ; festoons well defined. 
Scutum (Fig. 1) sub-triangular, slightly broader than long 
(3 mm. x 31 mm.), dull yellowish-white with dark irregular patches 
near margins (light portions exhibit metallic iridescence after 
immersion in alcohol) ; punctations large, unequal, irregularly 
distributed ; finer punctations between cervical grooves and 
towards margins ; eyes flat and pale ; cervical grooves short and 
deep ; foveae indistinct. Venter less rugose than dorsum, with 
minute scattered hairs; spiracles (Fig. 2) irregularly triangular 
Fig. 2. Amblyomma longirostrum ? . Spiracles, right and left, shewing 
discrepancy in size and shape. 
with blunt angles, macula elongated. Capitulum (Figs. 3 and 4), 
l. 2 mm., basis capituli trapezoidal, porose areas circular, interval 
equal to diameter; palps long, second article more than three 
Figs. 3 and 4. Amblyomma longirostrum ? . Capitulum, dorsal and ventral 
aspects. 
