Smithsonian Report, 1935. — Thompson 



PLAT 



««i{m«u({-- 



Drawn by Jessie W. Phillips. 



1. Halibut larva 15 millimeters long with eyes on opposite sides of the head. 



Drawn by Jessie W. Phillips. 



2. Halibut larva 19.5 millimeters long with left eye in process of movement to the right or colored side. 



