6.0 mm. 



NORTHERN ANCHOVY 



31.0 mm. 



5.6 mm. 



12.5mm. 



PACIFIC SARDINE 



3 1 .3 m m . 



(Illustrations by George Mattson) 

 Figure 4. — Early Ufa history stages of the northern anchovy and Pacific sardine. Upper: Northern anchovy larvae of 

 6.0 and 11.5 mm., and metamorphosing specimen of 31.0 mm. standard length. Lower: Pacific sardine 

 larvae of 5.6 and 12.5 mm., and metamorphosing specimen of 31.3 mm. standard length. 



