PLATE 8 



EXPLANATION OF FIGURES 



17, IS, 19, 20, 21 and 22 Transverse sections to show different levels of the 

 h'mphatic anlage the tip of which is pictured in figure 16. Series 52, slide 3, row 4, 

 .section 24; row 5, sections 2, 6, 9, 11; row 6, section 1. X 1100. 



REFERENCES 



I., anlage of the superior lateral lymph i.v., intersegmental vein 

 duct ep., epidermis 



?/?..s.. myotome 



198 



