Canadian Spiders, II. 151 



Gong^lidium canaliculatum. new sp. 



3 mm. long, pale brown like hrunneus and maximus, and resem- 

 bling tbese species. The eyes are low and tbe bead a little ele- 

 vated bebind tbem, more in tbe male tban in tbe female. Tbe 

 mandibles bave a row of small teetb on eacb side of tbe claw, 

 but not tbe tootb on tbe front. Tbe male palpi bave tbe tibia 

 widened at tbe end witb a baK-round notcb above, from wbicb a 

 groove extends along tbe outer edge of tbe tarsus, ending in a 

 notcb. Fig. 6. PI. II. Tbe tarsal book is simple, sligbtly flat- 

 tened and curved in a quarter circle at tbe end. Tbe epigynum 

 sbows two round opaque spermatbecae at tbe sides and nearer tbe 

 middle two dark ridges converging backward. Fig. 6a. PI. II. 



Prince Albert, Canada, from moss in a spruce bog, Aug. 24, 

 1914. 



Bathyphantes arborea. new sp. 



2.5 mm. long. Cepbalotborax and legs pale yellow-brown, with- 

 out any markings. Abdomen ligbt on tbe back witb a black 

 middle stripe balf its length and a black stripe on each side. The 

 markings of tbe binder balf are small, usually disconnected, and 

 sometimes absent. The ligbt part of the abdomen is covered witb 

 opaque lighter spots showing through the skin. Fig. 10. PI. II. 

 The under side of tbe abdomen is dark gray witb a light area on 

 each side. Tbe sternum is also dark gray, and tbe legs and max- 

 illae pale. The epigynum is of tbe usual kind, projecting but 

 little from the surface of the abdomen. Fig. 10b. PI. II. Tbe 

 male palpi are small and compact, the tarsus and tarsal book 

 resembling somewhat those of B. furcatus from tbe Sandwich 

 Mountains, 'New Hampshire. Figs. 10c, lid. PI. II. 



Contrary to tbe habits of most of the genus, this spider lives 

 in tbe driest of places in spruce trees high above tbe ground, in 

 company witb Linyphia phrygiana; Banff, Laggan, Yobo Yalley 

 up to 7000 feet. 



Bathyphantes occidentalis. new sp. 



2.5 mm. long. Cepbalotborax pale yellow with dark edges and 

 an indistinct dark square in tbe middle. Tbe legs are pale witb 

 dark rings at tbe ends of tbe joints and middle of tbe tibia, tbe 

 markings stronger in tbe female tban tbe male. Tbe abdomen has 

 a wide middle band made up of transverse spots connected by a 



