Blood et al.: Embryonic development of Theragra chalcogramma 



215 



cytoplasm 



- blastodtsc 



perivitelline 

 space 



E 



periblast 



germ ring 



blastocoel 



neural keel 



Figure 5 



Illustrations of preserved Theragra chalcogramma eggs. (Al Stage 1 (precell); (B) Stage 2 (2 cell); (C) Stage 

 3 (4 cell); (D) Stage 4 (8 cell); (E) Stage 5 (16 cell); (F) Stage 6 (32 cell); (G) Stage 7 (blastodermal cap); (H) 

 Stage 8 (early germ ring); (I) Stage 9 (germ ring 1/4, lateral view); (J) Stage 10 (germ ring 1/2, lateral view); 

 (K) Stage 10 (dorsal view). 



