CH M 



309 



Figs. 303-309. Larvae of Teleost, Ctenolabrus. (After A. AGASSIZ.) Fig. 

 309 X about 7, other figures X about 14. 303. Larva shortly after hatching. 304, 

 305. Larvae of first few days. 306, 307. Larva of one week. 308. Larva of two 

 weeks (?). 309. Final larval stage, four (?) weeks. 



A. Anus. A U. Auditory vesicle. CH. Notochord. GR. Gill protecting der- 

 mal rays. H. Heart. M. Central nervous system. OL. Olfactory capsule. OP. 

 Optic vesicle. PF. Pectoral fin. -S. Stomodaeum. 



224 



