52< 



C. M. Child. 



42 4J 



remained widely open and Figs. 32-35 that of a piece with mar- 

 gins of the cut approximated. These two pieces represent the 

 extreme forms obtained after section at this level. The stages 

 represented are as follows: Figs. 28 and 32, a few hours after 

 section; Figs. 29 and 33, six days after section; Figs. 30 and 34, 



