A. C. OUDEMANS, NOTES ON ACARI. 267 
as the width of the body, on a line with trochanteres IV,as 
remote from the median line as from the edge of the body. 
Finally two pairs of very short hairs flanking the anal split. 
Lateral hair quite on the edge, if not even dorsal (Fig. 46). 
Accompanying shorter hair quite on the edge a little before 
the main one. (Fig. 47). 
Mandibles normal. 
Maxillae and palps normal, median subcapital tubercle 
distinct. 
Legs. Legs I and II with femorogenu. Femoral part with 
ventral backwardly directed sack-shaped enlargement; genual 
part with dorsal ditto; that of genu II more pointed. Tibiae 
with ventral triangular enlargement. Legs III and IV very 
slender ; with very short femora. 
Male. (Fig. 48, 49). Length 405. (inclusive mandibles 
and velum). Colour pale yellow. Shape like M. velata, but 
velum with 3 incisions. Texture smooth on the shields; 
finely wrinkled in the soft parts. 
Dorsal side (Fig. 48). Anterior dorsal shield like in 
the Nympha. Omoplatal shields I and II present, more or less 
pear- or tear-shaped. Anterior lateral shields long, almost 
triangular with top backward, reaching the middle lateral 
shields, which has fused with the posterior lateral shields and 
the posterior dorsal shield. These five shields, fused together, 
protect the whole dorsal side of the metasoma. Thisis poster- 
iorly deeply cleft. The incision is triangular, and filled up by 
the velum which extend even on the sides of the so-called 
horns and a considerable part more backward. The outlines 
of the whole velum form an oval, or ellips. Yet there are 
three incisions in this velum, one medial one and two which 
are between two ramifications or hair-pedestals of the top of 
the horns. Hairs: the pair of long prosomatic hairs are 
inplanted on the omoplatal shields II. They are longer than 
the width of the body. A second pair of long hairs is on a 
