316 
Part III. — Ninth Annual Rejport 
Fig. 10. EinLiyo, 6 days 8 hours old, showing brain divisions and cavities, formation 
of lens and closure of blastopore, dorsal view x 40. 
Fig. 10a. Side view of caudal end of 10 x 40. 
Fig. 11. Head end of embryo, 7 days Q\ hours old, showing sense-organs, divisions 
of brain ventricles, and central canal of neurochord, dorsal view x 65. 
Fig. 12. Embryo, 9 days 7i hours old, showing pectoral and marginal fins and 
myotomes, dorsal and oblique view x 25. 
Fig. 13. Embryo, 11 days 1\ hours old, dorsal and side view x 25. 
Fig. 14. Embryo, 13 days 7\ hours old, dorsal and side view x 25. 
Fig. 15. Larva, 16 days 20^ hours old (just hatched), showing pineal gland, liver, and 
intestine, side view x 15. 
Fig. 16. Larva 1 day (just hatched) showing division of intestine into mid and hind 
gut, anus, and gall-bladder, side view x 15. 
Fig. 17. Larva, 2 days, showing mandible and urinary vesicle, side view x 15. 
Fig. 18. Larva, 2| days, showing heart and rays of caudal fin, side view x 15. 
Fig. 19. l^arva, 5 days, side view x 15. 
Fig. 20. Larva, 8 days, showing folding of intestinal canal on itself, side view x 15. 
Fig. 21. Larva, 12 days, showing doubling of intestinal canal and slight remains of 
yolk, side view x 15. 
