290 Wisconsin Academy of Sciences, Arts and Letters. 



Eyes of the face very unequal, touching, at least the middle eyes, forming- 

 a straight line; dorsal eyes almost hs large as the lateral, no' further 

 apart, the sides of the head thus being parallel; the square almost as 

 long as wide; th 3 dorsal eyes much further from each other than- 

 from the lateral borders. 



Clypeus scarcely a third as wide as the middle eyes. 



Sternum small, narrow, twice as long as wide, thighs longer than wide,, 

 those of the first pair much thicker and longer thaa the others, 

 tou hing. 



Legs 1, 4. 2, 3; first pair very long and robust; femur dilat d and com- 

 pressed; patella and tibia cylindrical, the latter always a third the 

 longer; these two articulations Ijnger {$,) or almost as Img (?) as 

 the cephalothorax; tarsus and metatarsus slender, shorter than the 

 patella and tibia; tarsus a third shorter than the metatarsus. 

 ' Second, third, and fourth legs short and. slender. Tarsus and 

 metatarsus of the fourth shoner, or almost as long as the patella and 

 tibia. On the anterior pairs two inferior rows of tibiae andjmeta- 

 tarsal spines; on the posterior pairs two inferior tibial spines, and 

 one or two metatarsal spines. 



Falces robust, longer than the face, ( $ ) vertical, ( $ ) lightly inclined for- 

 ward. 



Palpus {$) slender: femur narrow and a little curved; tarsus o.-al, not. 

 large; bulb simply rounded above, prolonged into a point behind. 



Ahdomen narrow, elongated. 



MITHION SiMO^. 1884. 



Mitliion E. Simon. Arachnides recueilJis a Khartoum; Bulletin de la So- 

 ciete Zoologique de France, T. IX. 



Cephalothorax much elongated, almost parallel; thoracic part at least a, 

 third the longer; cephalic part almost plane, little elevated, not in- 

 clined, with posterior depression lacking, or very slight. 



Eyes of the face touching, with their tops in a straight line, extremely un- 

 equal, the median at least five times the larger, very convex and 

 prominent. Dorsal eyes as large as the lateral, not, or scarcely 

 further apart. Qviadrangle as long as wide, parallel. Dorsal eyes 

 much further from one another than from the lateral borders. 



Clypeus having scarcely a quarter the diameter of the midde eyes. 



Falces ( $ ) very short, almost square and vertical. 



Sternum oblong oval, narrowing in front and behind, of the same width 

 in the middle as the intermediate thighs. Thighs I separated by the 

 width of the labium at the base, much thicker than the others; 

 thighs II thicker than III; III and IV almost equal. 



' Simon's description reads " first, third and fourth; " doubtless an error. 



