PLATE 12 



EXPLANATION OF FIGURES 



32 and 33 Consecutive sections after an interval of four sections posterior to 

 those represented on plate 12. Series 53, slide 3, row 5, section 16; row 6, section 1. 

 X 1100. 



REFERENCES 



1., discontinuous anlage of the inferior w., pronephric duct 



lateral Ijonph duct. Figure 33 shows ep., epidermis 



the extreme posterior tip p.a., dorsal anastomosis between post- 



p.L, lateral postcardinal division cardinal divisions 

 C.C., coelomic cavity 



206 



