Figure 41. — November to December 1966. Distribution and 

 relative abundance of windowpane, ScopktIuUrmu aquotut, 

 larvae (left) and (right) their distribution and relative abun- 

 dance by size groups. Top <4.0 mm, 4.0 to 6.0 mm; bottom 6.1 

 to 8.0 mm. 



42 



