72 PROCEEDINGS OF THE ACADEMY OF [1892. 



from dorsal groove toward the second row of eyes ; mandibles, 

 sternum, mouth-parts, legs and palpi yellow; legs in one specimen 

 with indistinct darker rings; abdomen yellow above and below; 

 epigynum reddish ; spinnerets yellow ; a small black mark on 

 middle of venter ; above on dorsum many irregular black spots 

 which leave a central yellow stripe divided by dark cross-lines ; 

 very similar to P. montana; cephalothorax a little narrower than in 

 that species; epigynum looks like two reddish spots. 

 Several specimens. 



Pirata agilis, nov. sp. Plate I, fig. 47. 

 Total lenofth 



^&^ 



Length of cephalothorax 

 Length of abdomen 

 Length of sternum 

 Length of femur I 

 Length of femur IV 



Cephalothorax brown, black around the eyes, a yellowish stripe 

 in middle, widest at cephalic end, gradually tapering to the caudal 

 margin ; this encloses two lines which extend each side from the 

 dorsal groove to eyes of the second row ; no side stripes ; mandibles 

 yellowish ; sternum yellow, with a dark margin ; legs yellow with no 

 markings, distal joints darker ; abdomen brownish above and 

 below ; spinnerets yellowish, epigynum blackish ; a light yellowish 

 stripe above in middle of dorsum, very faint at base, and behind 

 divided by several blackish cross-lines ; legs with fine black hairs 

 and long red-brown spines ; epigynum appears as a short transverse 

 dark spot. 



Several specimens, Fall Creek, March. 



Pirata minuta Em. 



One specimen. 



Pirata exigua, nov. sp. Plate T, fig. 48. 



Total length 9 



Length of cephalothorax l*4mm. 



Length of abdomen l*6mm. 



Length of femur I 1* mm. 



Length of femur IV l'9mm. 



Cephalothorax yellowish, with a black stripe each side, widest 

 toward the caudal end ; the extreme margins of cephalothorax also 

 black ; eye-region black ; median groove black, from the cephalic end 

 of which arises two stripes diverging toward the dorsal eyes; man- 



