Bd. V: ii) THE AC ARI. I 5 
square, the posterolateral angles rounded. Only one pair of hairs, directed towards 
the middle and situated near the sides, far back. 
The ventri-anal shield very large covering the whole belly, except for a rather 
narrow band along the lateral margins; greatest width near the anterior angles; the 
anterior margin slightly concave, the antero-lateral angles rounded; the sides slightly 
convex, gradually falling off towards the rounded hind end. The hind margin of 
the ventri-anal shield not contiguous with the hind margin of the body; 5 pairs of 
hairs, of which two are situated near the front margin, two near the sides, and one 
pair on both sides of the anal aperture; one median hair behind the anal aperture. 
The anal aperture situated near the hind margin of the ventri-anal shield. 
Pedal shields well developed outside the coxae; pedal shields II and III fused 
together one with another, but distinctly demarcated from the narrow peritrematic 
shields , which are fused with the small metapodial shields at their hind end. 
The legs. Legs II not thickened. 
Epistoma and hypostoma shaped like those of the male. 
The mandibles (PI. II, fig. 21) a little narrower than in the male; the lower jaw 
a little shorter and more curved than the upper one, beside the terminal tooth with 
three short, sharp teeth placed at regular intervals; the upper jaw with two small 
teeth, of which one is directed outward, opposite the terminal tooth of the lower 
jaw, three teeth opposite one to another of those of the lower jaw and behind the 
last one a high, knife-shaped blade; between the first of them and the subterminal 
ones are two very small teeth and the sense hair. 
Locality : No. 5. Several cd and 9. 
6. Lælaps (Eulælaps) grahamensis nov. spec. 
(PI. II, fig. 5. PI. Ill, fig. S. Text-figs 26 — 29.) 
Length 0,648 mm. Breadth o , 4 mm. 
Shape oval, posteriorly rounded, anteriorly with short, median blunt projection. 
Colour , light yellow. 
The dorsal side (PI. Ill, fig. 8) covered by a single shield clothed with regularly 
placed hairs of which those situated in the anterior z / 3 are much longer than the 
others, and gradually diminish in length further back. 
The epistoma (Text-fig. 27) semicircular, with long, triangular projection with 
smooth edges, near the top with a pair of small teeth. 
Ventral side (Text-fig. 26). 
Tr it oster mini of usual shape. Hypostomatic hairs delineated in Text-fig. 28. 
The maxillary lobes very thin and hyalin, rather long. 
