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SUBORDER MALLOPHAGA. 241 
angles, short, arow of fine ciliate hairs near posterior border of metathorax and each 
abdominal segment except last; claspers or brushes small or wanting. 
Length, 1.70 mm. 
Described from three specimens (females) from deer, collection Corneil 
University, kindly loaned by Prof. J. H. Comstock. Comes nearer to 
tibialis Piaget than any other species, but differs from that in narrow- 
ness of abdomen, lack of transverse bands upon metathorax, etc., and 
while possibly it could be referred to some of the species from deer of 
Fig. 149.—Trichodectes castoris: a, male; b, male terminal segment and genitalia; c, female: d@ termina! 
segment—enlarged (original). 
Europe, it seems safer to give it a new description than to increase the 
confusion regarding the European species affecting deer. Species of 
deer is not given, but probably Virginia deer (Cariacus virginianus) is 
meant. 
Trichodectes castoris, n. sp. 
Short, broad; head wider than long. Antenne of male enlarged. 
Head wide, antennz deeply set, front border regularly convex, not hairy, apex with 
shallow, curved incision, with transparent space running backward. 
Antenne long, proximal joint in male enlarged, distal joint with sensory hairs on 
outer tip; temporal lobes full, not angulate; occiput strongly convex; abdomen 
4653—No. 5 16 
4 
~ ine "28 2 Ste ey 
