1919] Chambcrlin: Western Spiders 249 



Bathyphantes fillmoranus sp. nov. 



Female — Carapace and sternum dusky yellow, the sternum the 

 darker. Legs yellow. Abdomen above white, broken into closely 

 arranged spots, a median dorsal line from which oblique lines on each 

 side extend in an anastomosis. Venter greyish, with a few scattered small 

 white dots. Posterior row of eyes straight; median eyes less than 

 their radius apart, and about three-fourths their diameter from the 

 laterals. Anterior row of eyes straight; medians smaller than laterals, 

 less than their radius apart, more than their radius but less than their 

 diameter from the laterals. Clypeus much narrower than length 

 of area of median eyes. Upper margin of furrow of chelicera with six 

 teeth, the lower margin with five much smaller ones. For epigvnum 

 see Plate XVII, Fig. 5. 



Length, 2.2 mm. Length of cephalothorax, 1 nim. Length of 

 tib. + pat. I, 1.25 mm.; of tib. + pat. IV, 1.13 mm. 



Type— M. C. Z. 425. Utah: Fillmore Canyon. 



Grammonota orites sp. nov. 



Male — Cerapace dusky yellow-grey, with the eyes edged with black. 

 Sternum and labium dusky over yellowish to nearly solid black. Legs, 

 endites and chelicerae yellow. Abdomen dusky over a paler background 

 to nearly solid black; dorsum without definite markings. Posterior 

 row of eyes slightly procurved, eyes equidistant, separated by nearly 

 their diameter. Anterior row of eyes straight ; median eyes much smaller 

 than the laterals, hardly their diameter from the latter, nearer to each 

 other. Clypeus a little wider than the eye area. Pars cephalica rising 

 behind eye area as usual ; crossed by a single median longitudinal series 

 of setae, which are longest just caudad of the eyes. Upper inargin of 

 furrow of chelicera with four or five large teeth, the lower margin with 

 several much smaller ones. Tibial apophysis of palpus large, plate-like, 

 with mesal side produced forward as a one-pointed process which curves 

 ectad at tip. See Plate XVII, Fig. S. 



Female — The epigynum is shown in Plate XVII, Fig. 7. 

 Length, 2.3 mm. 



Type— M. C. Z. 440. Utah: Uintah Mts. ; Chalk Creek, 

 7,500 ft. 



Distinguished from other North American species by the 

 form of the tibial process of the male palpus and the structure 

 of the palpal organ. 



