32 T. H. BURLEND, 



E m b r 3' K. 



Stained witli Haematoxylin. Sectioned, and mounted upon seven 

 slides having 51, 51, 51, 51, 51, 50 and 67 sections respectively. 



Neurenteric canal extends from (7,54 — 7,61). 



Pronephros on the left side. 

 Glomus begins 3,26. 

 ^jj j 3,38—3,40 First nephrostome opening to coelom. 

 \ 3,44—3,47 Nephrostome (3,44—3,45) and tubule. 

 VIII { 4,5 — 4,9 Nephrostome at 4,6. Tubule opens to duct at 4,8. 



