Biometrika, Vol. XIII, Parts II and III 
I'carson & ll;ivin, .SV.fawivVA 
Plate V 
Fig. 10. (c. I nat. size.) Ossicle (4) at " Knotenpnnkt" of M. gastrocne- 
mius (n), Liiianicntum poplltcum and Litjamentum. posliciim (d), 
Gruber, 1876. 
Fig. 13. (c. nat. size.) Sesamoid on the head of the fibula in the 
of the Wombat, Ptitzner, 1892. See description of plates. 
Fig. 12. (c. § nat. size.) External fahcllu (4) in 
relation to M. gastrocnemius (k), Ligamentiim 
case poplitciim (b), and Ligamentuiii posticum [d), 
Gruber, 187(3. 
