368 



PROCEEDINGS OF THE ACADEMY OF 



[Sept. 



extremely heavy and slow, and appear to rely a great deal on their 

 protective resemblance to a bit of twig. The stridulation of the 



j^^ 



Fig. 3. — ChloeaUis ahdominalis (Thomas). Manitou, Colorado. Lateral Adew 

 of male. (X 4.) 



^ 

 '^i. 



-r^" 



Fig. 4. — CMoeaUis ahdominalis (Thomas). Mammoth Hot Springs, Yellowstone 

 Park. Lateral view of female. (X 3.) 



males much resembles that of C. conspersa, but is not nearly so loud. 



At Manitou, I found this species in about the same numbers among 



the scrub oaks and mountain-loving plants of a steep hillside. The 



