TJie Fhalangiinrf of Illinois. 93 



angle of the femur and of the patella very slightly produced, 

 but never prolonged into a process; hairs equal, or sometimes 

 thicker on the inner side, but not forming a brush; patella 

 always shorter than tibia; maxillary lobe provided at the base 

 with two conical tubercles. Maxillary lobe of the second pair 

 of legs much longer than wide, gradually narrowing from the 

 base to the extremity, directed obliquely forward and not meet- 

 ing, anterior border straight. Pectus large, parallel between 

 the cox;c, rounded in front or slightly lanceolate, more rarely 

 enlarged and obtusely truncate. Feet long, more or less robust, 

 tibite without false articulations. Claws of palpus simple. 



P. cinereum. Wood. 



Fhalanyium cinereum, Wood, Commuu. Essex Institute, Vol. VI., 



p. 25. 



:^,. Body 5-6 mm. long, 3 mm. wide. Palpi 4 mm. long. 

 Legs: T., 21-32 mm.; IL, 42-52 mm.; III., 23-33 mm.; IV., 32- 

 43 mm. 



Dorsum cinamon-gray, with a slightly darker subobsolete, 

 wide, vase-shaped, central marking ; with transverse series of 

 small spinose tubercles caudad of the eye eminence, and a 

 curved series cephalad of it. These tubercles having whitish 

 bases and acute black apices, and also generally having a spinous 

 hair arising on one side of the tubercle near the apex of the 

 white portion, and reaching beyond the tip of the tubercle. 

 Cephalad of the eye eminence, there are also two longitudinal 

 series of these tubercles of about three each. Lateral borders 

 of cephalothorax sub-sinuate. Eye eminence low, canalicu- 

 late, with a series of five or six tubercles, like those on the 

 dorsum, surmounting each eye. Mandibles brownish white, 

 tips of claws black ; second joint and apical portion of first 

 joint furnished with short, black, stiff hairs. Palpi light 

 brown, rather slender, first four joints with minute tubercles 

 and short black hairs ; none of the angles prolonged ; tarsal 

 joint without tubercles, but with hairs. Claw moderately 

 robust. Ventrum (including coxaj), light grayish-brown, with 

 many somewhat (quadrangular patches of a more pronounced 

 brown, and scattered blotches of chocolate-brown. Trochanters 

 light brown, with many small tubercles. Remaining joints of 

 legs cinnamon-brown, more or less annulated with darker and 



