300 



Mr. S. and Dr. L. F. Hirst on 



impression a pair of similar impressions is present. Postero- 

 median groove long, straight, and not very deep ; anteriorly 

 it is almost confluent with a small but rather deep circular 

 pit. Postero-lateral grooves deep at the anterior end, fairly 

 long, and broader than the postero-median. Punctures 

 numerous, small, and mostly subequal in size; towards the 

 sides, however, they are a little larger than elsewhere. Eyes 

 pale and very slightly convex (fig. 1). 



Fie:. 2. 



Fig\ 1. 



Fig. 1. — Amblyomma dartmni, S- Dorsal view, x 10. 

 Fig. 2.- „ ? . „ „ x 8. 



Ventral surface furnished with numerous rather superficial 

 punctures. Stigmata elongate and almost comma-shaped. 



Rostrum short, its base almost smooth above. Hypostome 

 with three files of teeth on each side. Dorsal surface of the 

 second segment of the palp towards the middle with a distinct 

 prominence (which is also present in the female). 



Legs o£ moderate length. Coxa of first leg armed with 

 two small spurs; coxa3 of legs 2-4 each with a single small 

 conical spur, that of the fourth being the longest. Tarsus of 

 fourth only slightly convex dorsally and furnished with two 

 terminal spurs below. 



Colour deep brown above, dirty yellowish-white below. 



Measurements in mm. — Length of scutum 2 - 56, its greatest 

 breadth 2*12 ; length of rostrum *64. 



? . — Body oval in shape and furnished with a number of 

 depressions, which much resemble those of the scutum of the 

 male. Numerous pale-coloured hairs are present, which are 

 comparatively slender and of small size. 



Scutum wider than long and heart-shaped. Cervical 

 grooves short, A second pair of deep and rather large 



