Genera of the Famlhj Attid<e. 320 



Abdomen short and ovate . 



Legs spined, 3, 4, 1, 3. First pair not stouter than the others. Patella and 

 tibia of the third a little lorrger than the patella with the tibia of the 

 fourth. Metatarsus and tarsus of the fourth not longer than the 

 I patella and tibia. 



PROSTHECLUSTA Keyserltng. 1882. 



Prostheclina Keyserling, Arachniden A.ustraliens p. 1368. 



Cephalothorax one fi'th longer than wide, contracted in front, a little wider 

 and rounded behind, equally wide at the dorsal eyes. 



Clypeus half the diameter of the large eyes. 



Quadrangle of eyes scarcely wider than long, behind a little conti'acted 

 and almost reaching the middle of the cephalothorax. Anterior 

 row of eyes almost straight, eyes close together. Dorsal eyes from 

 each other scarcely further than from the margin of the cephalo- 

 thoax; small median eyes half way betvveen the anterior lat-ral 

 and the dorsal eyes. 



Falces short, not diverging. 



Maxillae dilated and rounded in front. 



Labium contracted in front, half as long as the maxilla. 



Sternum oval and moderately convex. 



Abdomen ovate. 



Legs 4, 3, 1, 2 or 1, 4, 3, 2. Patella and tibia of the third as long as the 

 patella and ti ia of Ihe fourth.' Metatarsus and tarsus of the fourth 

 longer than the patella and tibia . 



LAGNUS L. Koch. 1879. 



Lag-uus L. Koch, Arachniden Australiens, p. 1073. 



Cephalothorax a little longer than wide, high; lateral and posterior, mar- 

 gins rounded. Cephalic pirt convex. 



Clypeus low. 



Quadrangle of eyes in front a little wider than long and wider than behind; 

 first row of eyes recurved, cL se together, the median very large. 

 Middle eyes eaunlly distant from the lateral anterior and the pos- 

 terior eyes. Eyes of the third row placed in front of the middle of 

 the cephalothorax and less distant from each other than from the 

 margin of ihe cephalothorax. 



Maxillae dilated toward the front, lateral margin with the anterior mar- 

 gin being lengthened to form an angle. 



Li]) convex, contracted in front, longer than half the length of the max- 

 illa, lip rounded. 



' Written " third " but evidently a misprint for fourth. 



