38 PROCEEDINGS OF THE ACADEMY OF [1892. 



black ; cephalothorax widest in middle, tapering a little and 

 rounded behind; head broad. 



Two specimens, Fall Creek in field, Feb., May. 



Lophocarenum longior, nov. sp. Plate IV, figs. 12 and 12a. 



Length 9 2mm. 



Cephalothorax dull brownish-yellow; darkest on head; eyes on 

 black rings ; black seam scarcely apparent ; legs and ])?^\\A pale, 

 scarcely colored ; mandibles brownish-yellow brighter than cephalo- 

 thorax ; sternum brownish-yellow, blackish on edges ; epigynum 

 reddish; venter light gray; dorsum darker gray, but still quite 

 light, lightest at base ; the abdomen is longer than usual in the 

 genus; mandibles somewhat convex in front. 



One specimen, Burdick's Glen, Sept. 



Tmeticus unicorn, nov. sp. Plate l\, figs. 13, l.Sa. 



Total length 



Length of cephalothorax 



Length of abdomen 



Cephalothorax and legs yellowish ; abdomen gray ; palpi yellow, 

 organ reddish and black, sternum and venter dark gray; horn 

 yellow ; legs with many black hairs ; spinnerets white ; head 

 elevated, no holes; from middle of clypeus projects a slender horn, 

 somewhat larger at tip than in middle; tip with some stiff hairs; 

 the tibia of male palpus with a long projection. 



One specimen. Six Mile Creek, Nov. 

 Tmeticus trilobatus Em. 



One specimen. Fall Creek, Oct. The palpus is almost the same 

 as the figure in Emerton, but the tibia seems to have more projec- 

 tions at the tip. 



Tmeticus obscurus, nov. sp. Plate II, figs. 14, 14a. 



Length S l"7mm. 



Cephalothorax and madibles dull brownish-yellow ; eyes on 

 black; legs paler; sternum and abdomen dark, latter a little 

 greenish and lighter above than on venter; head higher than in 

 most species of the genus, as is also the abdomen ; cephalothorax 

 broad, widest behind the middle, not much narrowed behind ; 

 mandibles with a tooth in front; tarsi of palpi gone, tibia enlarged 

 and with several projections. 



One specimen. Six Mile Creek. 



