ocr: ABC Fig- 57 Part of - secondary wing-feather a of Argus pheasant, showing two perfect ocelli, a and b. A, B, C, - D, &c., are dark stripes running obliquely down, E each to an ocellus. [Much of the web on both sides, especially to the left of the shaft, has been cut off1. b - DARWIN: DESCENT OF MAN
(.png)
.iso/data/darw494.pcx/darw494.png)