480 BANKS 



spots ; sternum and abdomen black, spinnerets pale. Posterior eye-row 

 slightly procurved ; P.M.E. their diameter apart, about as far from the 

 equal P.S.E., which touch the A.S.E. ; A.M.E. smaller, scarcely their 

 diameter apart, and a little further from the larger A.S.E. Legs 

 slender, tibia with two spines above, one near base, one near tip, one 

 spine on patella ; mandibles vertical, scarcely divergent, without teeth 

 in front ; abdomen one and two-thirds as long as broad ; head of male 

 not elevated ; the epigynum, which is rather prominent from side 

 view, shows a broad median septum with an oval cavity each side. 

 Length 2.1 mm. 



Three specimens from Berg Bay. 



Type. — Cat. no. 5270, U. S. National Museum. 



Gonglydium sp. 



Two females of a pale species from the Muir Glacier ; they may be- 

 long to some species of which the male only is known. The epigynum 

 is an elliptical area with a nearly square cavity in posterior part ; on 

 middle of hind margin is a denticle projecting forward. 



Gonglydium falsificum (Keys.). 



Erigone fahificum Keyserling, Die Spinn. Amer. Therid., il, p. 259, 1886. 

 One female from the Muir Glacier agrees well with the description 

 and figure of Keyserling. The male is unknowai. Described from 

 Alaska. 



Erigone coloradensis Keys. 



Erigone coloradctisis Keyserling, Die Spinn. Amer. Therid., 11, p. 168, 1886. 

 A few specimens from Kadiak and Yakutat (June) . Known from 

 Colorado and Washington. 



Erigone simillima Keys. 



Erigone simillima Keyserling, Die Spinn. Amer. Therid., 11, p. 170, 1886. 

 Several from Popof Island, and Saldovia, Cook Inlet. Close to the 

 preceding and probably but an extreme form of it. Described from 

 Alaska. 



Erigone famelica Keys. Plate XXIX, figs. 7, 8. 



Erigone fatiielica Keyserling, Die Spinn. Amer. Therid., 11, p. 186, 1886. 

 A pair from Kadiak (July), and one from the Muir Glacier. The 

 figure gives a different view of the palpus from that of Keyserling. 

 Described from Alaska. 



Pedanostethus riparius Keys. 



Pedanosiethus riparius Keyserling, Die Spinn. Amer. Therid., li, p. 265, 

 1886. 



