96 Illinois St(de Lahoratorij of NatHvaJ Ifisfonj. 



black tooth-like processes just candad of the middle of the 

 margin, each terminating with a minute spine, the middle proc- 

 ess being sbghtly cephalad of the others. Dorsad of these 

 but cephalad of the eye eminence, there is a curved series 

 of minute spines on whitish elevated bases, and caudad of 

 the eye eminence on the cephalothorax there are two similar 

 nearly transverse series. There is also a similar transverse 

 series on ''each segment of the abdomen — most easily seen 

 on the black central marking. Eye eminence large, brownish, 

 canaliculate; each carina having four thick, brownish tubercles, 

 each of which terminates in a black spine. Mandibles light 

 brown, tips of claws black; dorsalsurface of second joint and of 

 apical portion of first joint furnished with short black hairs ; 

 second joint with a blunt tubercle on its inner dorso-lateral sur- 

 face, just above the base of the finger fornjing part of the claw, 

 and the apical portion of its outer lateral surface (caudad of the 

 insertion of the thumb) prolonged into a tubercular process. 

 Thumb with a prominent dorsal tubercle near its base. Palpi 

 mottled ; the outer ventro-lateral portion of the femur with 

 an irregular row of long, slender, white tubercles, terminating 

 with black spines ; inner ventro-lateral surface with a series of 

 long, black, curved, spinous hairs ; inner lateral surface with 

 similar shorter hairs more numerous, forming a brush on the 

 slightly produced inner distal angle ; dorsal and outer lateral 

 surfaces with short spinous hairs. Patella nearly as long as 

 tibia, its inner distal angle produced and furnished with a 

 brush of black hairs with recurved tips ; shorter hairs in dis- 

 tant rows on its dorsal and lateral surfaces. Tibia with its 

 inner lateral distal angle slightly swollen, but not projecting 

 forward as does that of the patella, but furnished with a 

 similar brush of hairs; outer ventro-lateral surface with a sub- 

 obsolete row of white tubercles, tipped with spinous hairs; 

 dorsal and outer lateral surface furnished with sparse short 

 hairs. Tarsus thickly covered with long black recurved hairs, 

 usuallv with a row of subobsolete, short, black tubercles on its 

 inner ventro-lateral surface, and terminating in a moderately 

 robust simple claw. \'entrum light grayish-brown, hispid. 

 Legs short, robust. CoxiO light gray, covered with spinous 

 hairs on elevated bases. Trochanters light brown or grayish, 



