LARVAL LAMPREYS 



TAKEN FROM BEOS IN 



OCQUEOC RIVER 



60 

 O 

 §50 



O 



>30 



LARVAL LAMPREYS 



TAKEN FROM BEDS IN 



OCQUEOC RIVER 



OCTOBER. 1947 





O70 



o 



O 



O60 



Figure 55.— 



Length-frequency distributions of collections of animocoetes made in the 

 Ocqueoc River in August, 19U7, and May, 19U8. A frequency polygon of the 

 lengths of a random sample of 7U9 newly-transformed individuals taken in 

 that river between November 1, 19U8, and March 20, 19U9, is interpolated 

 for comparison. 



-150- 



LARVAL LAMPREYS 



TAKEN FROM BEDS IN 



OCQUEOC RIVER 



' AUGUST, 194.7 



• — INCIDENTAL, SINGLE. 

 ■mANSFORMlNG INDIVIDUALS 



TOTAL LENGTH IN MILLIMETERS 



(BT 2 MM LENGTH CROUPS) 



