Le- avoidi . - - .) ' the 



frog. Forthis interpretation of Rauber se< il£ [*&!, 

 214- 1§) . 



' '85) thii Lbian 



equatorial farrov/ has become vertical in the Teleost, and 

 that the horizontal division of the four central cells of the 

 sixte i- e into four o . four inner lying 



cells is the first equator- , 



latter statement Kopsch f'Ol), fro Lone, is 



in full accord. Brook f'86) describes, from sections of 

 Herri. . . . 1 ) , an equatori 



separ .e four blastomeres from b e pei . . List 



y Pi. XXXI. - ■ . 5) finds the second furrow in 



Crenilabrus to be equatorial, and says that PCupffer f 

 the same in th 'ring. In Cristiceps , Fusari ( '30, Figs. 



4 and ^, Ls.I. a . at in the sixteen-celled 



, all the cells ire united at t next 



sets 

 division A sixteen central cells free from the yolk ana fro;:: 



sixte. L ceiis. This he calls the equatorial 



division, Wilson ('91, p. 215) Ctv all 



W»\ts. ), in th ,ation of Ralmonoids, 



orial division follows t] . ei 



celled stage, alt] it someti o s lier. 



