V 



TEXT PLATE V. 



Showing stages in the development of the adult male and female color pattern in 

 Fnnditlus majalis. These are camera drawings made from formalin preserved speci- 

 imens except in two cases I and 9 which are taken from free-hand drawings of living 

 fish. \/ 2 natural size. 



I. A young fish of undetermined sex, showing the type of pattern seen in ail young 

 fish. 



2 to 5- Stages in the development of the female color pattern. The gradual change 

 from cross bars to stripes is clearly brought out. 



6 to 9. Stages in the development of the most specialized male color pattern seen 

 in 9. Not many males reach this stage. 



