PLATE XX. 





FIG. 59. Longitudinal section of opiphysis of the.saiiie pi. paratinii. \ :in<l B. 1'mv hyaline cart il,-u:e, ,,f \\w joii.t. 

 C. Layers in which the cartilage capsules arc distinctly i-nlamcd, /.., \vln-rr tlic iiitrivrllul.-ir sul >t:un-i' is diniiui!.)i(<tl. 

 At D the Odl element* (derlTed fn>m *!> raitilam- c-cll,,l tin- r;.rtilii>.v caiisuli-ll^in t.. place tin ins.-hc.s ill ivuulai- 

 ,,,,!, i prriphiTilly; tlif int.-ivllular Miln-t.-inw still further diniini.-.hrs and pa.-.-rs ,,vrr int.. ln,ny tral.r. ul:r tli,- 



eiiilir\'iiial III.IH- ti;- sue of the layer E. In this layer the cell ck -lit.-, i.f th.- .-paces, which answir to the 



,,i the prc\i..u>la;..i J>,lia\cpreci.-.-ly the p (J .-iti(.iinf nstc.'Masts. 11.49. (1)0,4; >hj., 7 . Tvil o not drawn 

 out.) 



