1906.] 



NATURAL SCIENCES OF PHILADELPHIA. 



373 



The color of the caudal tibiae, which were missing in the types, is 

 similar to that of A. elliotti, with the pale proximal annuli more dis- 



Fig. 6. — Aulocara parallelum Scudder. Salt Lake City, Utah, 

 female. (X 3.) 



Lateral view of 



tinct in the females than in the males. The blackish 

 postocular stripe mentioned by Scudder appears to be 

 a variable character and is absent in some specimens 

 and distinct in others. 



The Antlers specimens are the first recorded out- 

 side of Salt Lake Valley. 



This species was scarce in both localities in which 

 it was taken. I found it on dry soil overgrown with 

 sage, and owing to the activity of the individuals not 

 many of even the few seen were taken. The caudal 

 limbs of this species are so loosely attached that they 

 snap off at the least strain and perfect specimens were 

 consequently difficult to seciu'e. 



(EDIPODIN.E. 

 ARPHIA St&l. 

 Arphia pseudonietana (Thomas). 



Upper Geyser Basin, Yellowstone Park, Aug. 7, 3 

 6", 1 9. Salt Lake City, Utah, Aug. 13, 1 6". Hill- 

 side at Salt Lake City, Aug. 14, 1 d^, 1 9 . Prairie 



Fig. 7. — Auloca- 

 ra parallelum 

 Scudder. Salt 

 Lake City. 

 Utah. Dorsal 

 view of head 

 and pronotum 

 of female. (X 

 3.) 



