On six new species of Ixodidae, etc. 
461 
angles rounded; plaques absent. Gapitulum (l. 1'3 mm.), basis 
capituli rectangular, cornua very short ; palps relatively short 
and thick, article 2 twice as long as article 3 ; hypostome shorter 
than palps, dentition 4|4, corona of minute denticles, emarginate 
at tip. Legs long and relatively slender ; coxa I. with a pair of 
short blunt spurs, coxae II., III. and IV. each with a single short 
blunt spur ; each of the free articles of the legs, with the excep- 
tion of the tarsi, with an iridescent metallic spot at the distal 
extremity ; tarsi attenuated at extremity ; bicalcarate ; tarsi of 
leg I. with three additional spurs of decreasing size in a proximal 
direction (Fig. 8). 
Fig. 8. Amblyomma caelaturum $ . Tarsus I., .left 
Female (gorged), L. 116 mm., W. 9 - 5 mm. Body oval, dark 
brown, covered with whitish hairs ; marginal grooves absent, 
postero-median groove long, five pairs of short radiating grooves 
placed laterally, a single pair of parallel grooves immediately 
behind scutum ; festoons large ; foveae unusually large, appearing 
as a pair of salient plaques of light brown colour with dark 
margins on the middle of the dorsum. Scutum (Fig. 9) trian- 
Fig. 9. Amblyomma caelaturum ? . Scutum and dorsal aspect of capitulum. 
