50 T. H. Buhlend, 



and on the right side in: 



3,38 



4,7, 4,8? 



4,16—18 



4,25 



Embryo J. 



The aorta appears to extend to the kidnej^ from 3,9 — 3,20 con- 

 tinuously on each side, and again from 3,22 — 3,26 on left side 

 3,22—3,25 and 3,28—3,30 on right side. 



Embryo K. 

 The dorsal aorta gives off branches to the kidney in sections: 



