384 
Psyche 
[December 
Fig. 1. Female of Erynnis brizo burgessi asleep on a branch of Quercus 
mohriana in Palo Duro Canyon, Texas, at 1720 hours C.S.T. on 12 April 
1968. Her head is on the right. For further orientation compare fig. 2. 
A. Dorsal view of female. 
B. Right lateral view of female. 
1964: 43-66, 195-205) — are enough to suggest strongly that this 
behavior is general for the entire transcontinental assemblage of 
populations. Wherever they occur in North America, these gray/ 
brown skippers are primarily in scrub oak habitat and so never lack 
a sleeping substrate of small, low, woody (often gray) branches. 
