444 PROCEEDINGS OF THE ACADEMY OF [June, 



Bictyna armata n. sp. PI. XXXIV, fig. 9. 



Male; cephalothorax reddish-brown, rather paler on the head, with 

 white hairs; abdomen reddish-brown through the middle of dorsum, 

 blackish on base and sides, the posterior dorsum often broken up by 

 blackish bands, sometimes dorsum mostly all dark, with a pair of 

 pale spots in front, one on each side before middle, and a row of pale 

 spots behind in middle; legs very pale; venter and sternum pale. 

 Female, cephalothorax pale yellowish through the middle, sides 

 brownish, almost black on lower sides of head ; abdomen pale yellow- 

 ish, a faint dark spear-mark on base, two rows of brown spots behind, 

 and the sides with dark marks; venter and sternum wholly pale, 

 unmarked; legs very pale, and very slender, the abdomen rather 

 short, broad, and flat. The male palpus has a very long tibial spur, 

 which is faintly bifid at tip, and bears two bristles. 



Length cJ* 1.5 mm.; 9 1.4 mm. 



From north fork Swannanoa River, Black Mountain, N. Car.; 

 the webs were found in dead, curled Rhododendron leaves lying on 

 the ground. 



Amaurobius bennetti Blackw. 



Roan Mt. Summit, Blowing Rock. 



THERIDIIDJE. 



Theridium tepidariorum Koch. 



Paint Rock, Linville, Pineola, Chapel Hill, Swannanoa Valley. 



Theridium rupicola Emer. 



Paint Rock, Swannanoa Valley, quite common under stones. 

 Theridium punctosparsum Emer. 



Balsam, Swannanoa Valley, beating Rhododendron leaves. 

 Theridium spirale Emer. 



Swannanoa Valley, only one taken, sweeping. 

 Theridium differens Emer. 



Durham, Road to Roan Mt., Balsam, Swannanoa Valley. 

 Theridium atramontanum n. sp. Pi. XXXV, fig. 12. 



Cephalothorax yellowish, with a brown median stripe from eyes 

 to tip, sometimes broken up near eyes. Legs yellowish (c?), in 9 

 whitish with the femora I yellowish near tip. Abdomen grayish- 

 white, reticulate above, with a basal, median brown mark, one on 

 each lower anterior side, and two rows of three or four dark spots on 

 the posterior middle of the dorsum, sometimes these dark marks 

 outline a pale median stripe; venter and sternum pale unmarked- 



