FIG. 303 



Figs. 303-309. — Larvag of Teleost, Ctenolahrus. (After A. Agassiz.) Fig. 

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

 305. Larvae of first fevv^ 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. Stomodseum. 



224 



