Smithsonian Report, 1920— Hyman. 



Plate 2. 



10. Second Zoea, lateral view. 



11. Second Zoea, frontal view. 



12. Antenna of third Zoea showing tubercle of fiagellum. 



13. Antenna of fourth Zoea. 



14. Third Zoea, lateral view. 



15. Third Zoea, frontal view. 



