3 

 the center and the remnants of protoplasmic which 



connected the blastomeres. 



Int. . - "ipefish c ij , 



many very great and s. irreconcilable irr i ,ies 



itly confuse the investigator. These .. 

 first note: on livi i ur and eight cells below, 

 two, three, and fo . . . 



ities, "lurface views of • 

 eight to sixteen-celled blastoderms were draw . 5n a com- 

 parison of these drawings jy were found to con- 

 form to four gener il types, hi£ as 

 ination of all i of this stage which had been preserv- 



At the close of this section, there is appended a t 

 showing the relative numbers of these various types. 



In Fig, , PI, I,, is shown the r f eight- 



celled Teleost blast oc" It is formed by two furrows 

 nearly parallel to the first and perpendicular to the second 

 of segmentation dividing such a form as Fig ,4 , PI, I, 

 into eight blastoderms . In this blastoder ., in nearly 

 all others of this and the next stage, a considerable elongation 

 is notice 



