of the White Mountains. (331 



naB yellowish brown, ])aler below, darkest at tip, towards 

 base greenish ; fore and middle legs olivaceous green, tinged 

 with yellowish beneath, last joint of tarsi darker, especially 

 at tip, claws tip[)ed with black, arolium reddish brown, 

 margined broadly with black ; under surface and lower 

 half of inner surface of hind femora coral-red, remainder 

 yellowish grass-green, with two broad bands of dark-green 

 across the outside, apex black ; tibiae green, tarsi paler, ter- 

 minal joint and arolium as in the others; anal appendages 

 dirty yellow, tipped and edged with black. 



$ differs from 9 in having the pronotura and front of 

 head more yellowish, the prosternum black, its spine uni- 

 formly pale green, and the parts behind the prothorax as 

 follows : meso- and metasternum bright green ; sternum 

 of abdomen yellowish green, slightly paler than sternum of 

 thorax, with the apical border of the segments bordered 

 narrowly with dusky, and the basal rather broadly with 

 black ; basal half of terminal segment black, apical yellow- 

 ish green ; whole dorsal surface black, with a dorsal row of 

 yellowish-green spots, and a triangular spot of same color 

 between the coxae of middle and hind legs ; a lateral row 

 of greenish yellow spots on 1-8 abdominal segments, each 

 with a dark arcuate streak above, its concave side toward 

 the brownish spiracles ; anal appendages black. 



Length (^ .65 in. ; 9 .82 in. 



EXPLANATION OF PLATE XIV. 



Fig. 1. Arfrynnis Montinus Scudd. 



Fig. 2, 3. Chionobas semidea Edw. Chrysalis. 



Fig. 4. " " Imago. 



Fig. 5, 6. " " Larva. 



Fij?. 7. « " Head of Larva. 



Fiir. 8. " " Terminal secernent of Larva. 



Fifif. 9. Pezolettix fflacialis Scudd. V side view. 



'o 



Fig. 10. " " " i dorsal view. 



