of cephalic branch; v — edge of the stomach (see Table I, 

 Fig. 1 , k) -, w — intestinal fold; x — part of false amnion; 

 y — completely formed mesentery; z — upper, funnel-shaped 

 part of the rectum; A — left, kidney, later on separated 

 from the mesentery; B — yolk artery. 



84 



