34 
Psyche 
[Vol. 90 
Fig. 17. Gerarus fischeri, a. photograph of fore wing, specimen IP 19. Length 42 
mm, as preserved, b. photograph of hind wing, specimen IP 10. Length 40 mm, as 
preserved, c. photograph of hind wing, specimen IP 2. Length 40 mm, as preserved. 
Note the small triangle formed by the anastomosis of one branch of RS with the main 
stem of RS. 
