82 Proceedings of the Royal Society of Victoria. 



Synopsis of Genera. 

 5. — Lip evidently longer than broad 



5a. — Front middle eyes farther from the 

 side eyes than from one another. 

 Clypeiis about as broad as front 

 middle eyes ------ Amaurobius 



5b. — Front middle eyes farther from one 

 another than from the side eyes. 

 Clypeus much wider than front 



middle eyes Hylobius. 



Lip not longer than broad, front row 



of eyes equidistant - - - - Badumna. 



HYLOBIUS, nov. gen. 



Differs from Amaurobius in having the front middle eyes 

 nearer to the side eyes than to one another, the clypeus much 

 broader than the front middle eyes, and the area of the four 

 middle eyes broadest in front. 



Type Hylobius divergens, n. sp. 



In my specimens of Amaurobius segestrinus, L. Koch, the 

 cribellum is double in the females and single in the males. The 

 same is the case in Hylobius punctatus, nov. sp. These are the 

 only species of the family in which I have both males and females- 



HYLOBIUS. 



Sternum produced between rear coxae - - - divergens. 

 Rear coxae contiguous pimctatits. 



Hylobius divergens, nov. sp. (PI. XIII., Fig. 2). 



Cephalothorax, yellowish brown, inclining to black-brown on 

 fore part. Mandibles, black-brown with lighter brown hairs, 

 points of fangs reddish. Maxillae, lip and sternum brown with 

 paler median streak on latter, hair dark bi'own. Abdomen, dark 

 grey with two longitudinal, narrow, paler stripes on under side, 

 hairs dark yellowish grey. Spinnerets and cribellum yellowish 

 grey. Epigyne, bx'own. Legs and Palpi, yellow-brown with 

 greyish hairs and brown spines. 



Cephalothorax slightly longer than patella cum tibia of 4th 

 pair of legs 2 mm. longer than broad, cephalic part straight at 



