PLATE VI. 

 CARTILAGE SHOWING MODE OF PRODUCTION OF FORMED MATERIAL. 



I-ig. 16. _ Flg , Yl. 

 



ocyfiEj 



Cartilage., frog ; showing germinal i 

 formed material, x 700. 



:::::::: .;; liiLliiilir .:: ,:;;; \-\^..^-.~~ :: i^susiia 

 ig rartilage, kitten, showing tlie CON- 





Fig. 19. 



'<-: at different :\ ' 9. At\ ".attirth; 



6. six weeks old ; c, nearly full grown ; d, adult 



cat. x 'J15. Showing alteration in the lelative 



proportions of germinal matter and formed 



material at different ages 



.' '-i-ninal m; 



ilage inti 



page 6-2 



