Plate IX. 



Figure 1. Dorsum of Larus glaucus (Y. U. Osteol. Coll., No. 2290); seen from above. 

 xO.62 



Figure 2. Dorsum of Oidemia nigra (Y. U. Osteol. Coll., No. 429) : seen from above. 

 x 0.67 



Figure 3. Dorsum of Meleagris gattipavo (Y. U. Osteol. Coll., No. 360) ; mature individual ; 

 seen from above, x 0.50 



Figure 4. Sacrum of Meleagris gallipavo (Y. U. Osteol. Coll., No. 2112) ; young individual ; 

 seen from below, x 0.50 



