10mm 



Figure 4.— A. Developmental series of Parophrys vetulus larvae. Top row, left to right, 11, 13, 14.9 mm SL; bottom 17, 19 mm SL. 

 B. Pairs of Parophrys vetulus of similar lengths in different states of transformation. Top 18.0, 18.0 mm SL; middle 19.0, 19.1 mm 

 SL; bottom 19.9, 20.0 mm SL. 



152 



