1 



considerable part in the segmentation, ^describes 



in the "err i ' but gives no figures, 



ski ( '55, Pi. XVJ L, Fig. I.) find! - - 



the fur re _ ,rly stages of the Goldfish. Agassiz 



figure, i Lews of blastoderms of 



Ctenol atoms , rows of small vacuole; I whole 



lengt] Leava - four eel 



stages, but do no - i ;o them in their text. Pusari 



Figs. 4 : L, III.) figures in too 



sections blastoderms with vacuoles. Some of the latter 

 vacuoles with large dilatations at om like those in 



.35, and36, Pi, II. In t] i] fish, first furr 



does not cut through to the yolk. S s. 34, 35, 36, 37,) , 



is respect it ogre risti ri, '90), the 



Herring ( Brook '86), Car assius (Kowalewski '86), the Bass 

 (Wilson '91), the Salmon and Trout (His '98), but^unlike 

 Merlueius (Kingsle; Zonn. '82), Oadus ( Cunni l - ) , 



and others, which do cut all t 



-- ' she 'i. in Coeriola . first furrow 



or may not penetrate to t] , There is never any such 



under furrow as the Bass and Ctenolabrus s3 ie first 



division. 



The eggs a at night, as earli as ten o'cl 



