Fic. 42. TrLescope GoLprisHes SPAWNING 
This unusual photograph shows two females spawning on a ring of Myrio- 
phyllum. The smaller fishes are the males, in vigorous pursuit. Males do not 
average of smaller size than the females, but the younger ones are the more active 
and fertilize a higher percentage of eggs than do their elder brethren, 
