208 



STUDIES IN THE GENUS THANAOS 



mens from Easton, Washington (Koebele), and Yosemite Valley, California, 

 June 16th and August 5th (Dyar.) Type. Cat. No. 7333, U. S. National 

 Museum." (Original description.) 



Dr. Dyar's specimens were from the Kootenai district of British 

 Columbia, Our specimens were received from Mr. J. W. Cockle 

 and were taken at Kaslo, B. C, June 20 (male) and June 5 (female). 

 Also a specimen from Fort Klamath, Oregon. We also have a 

 specimen from Westville, New Jersey, that is almost identical 

 with the Kaslo specimens. The genitalia are like those of pacuvius 

 and it is also like the latter in maculation except that the fringe is 

 black. 



Thanaos martialis Scudder, Trans. Chicago Acad. Sci., i, 335, 1869. 



"This butterfly is most nearly related to A'', persius Scudder, and agrees 

 with it in size; it differs from it in the great distinctness and definition of 

 the darker markings upon the upper surface of the wings; in the distinctness 

 with which the markings of the under surface of the secondaries can be seen 

 upon the upper surface ; in the sagittate character of the submarginal row 



Thanaos martialis Scudder. 



of spots upon the under surface of the secondaries ; and in the usually brighter 

 color of the tips of the antennae. The specimens were taken on the open 

 prairie and were most abundant in the latter part of July. 9 males, New 

 Jefferson, July 21-24th. One male, lower half of Dallas county, in the early 

 half of August (worn.)" (Original description.) The localities given are 

 for the state of Iowa. 



Expanse. Male 13 to 15 mm. Female 16 mm. 



Distribution. — Atlantic states to Florida. Westward to Colo- 

 rado and Arizona. 



Records. — Centre, New York, V, 3 and 27, VI, 11; Harvey's Lake, Penna., 

 VI, 16; Reading, Penna., VII, 29; Woodbury, N. J., IX, 5; North Carolina; 



