Fig. 
. 9. Part of ditto, x 4 diam. 
Fig. 
oF oF DN 
PROF. W. K. PARKER ON 2GITHOGNATHOUS BIRDS. 
PLATE LY. 
Corvus frugilegus. 
. Lower view of palate of young, X 2 diam. 
. Anterior section of face of ditto, x 4 diam. 
. Posterior ditto, x 4 diam. 2 
. Side view of face of one more advanced, x 3 diam. 
. Part of palate of adult, lower view, x 5 diam. 
1 
2 
3 
. 4. Part of a similar section to last, x 8 diam. 
5 
6 
Corvus corone. 
. Tympanic region of adult, x 4 diam. 
. Ditto, with part of ‘ siphonium,” x 3 diam. 
a. The upper end of “ siphonium” ossicle, x 3 diam. 
7 
. 8. Internal angle of lower jaw, x 3 diam. 
9 
9 
Fregilus graculus. 
. 10. Lower view of vomer, x 4 diam. 
. 11. Upper view of ditto, x 4 diam. 
. 12. Side view of ditto, x 4 diam. 
Ruticilla phenicurus (young). 
. 13. Lower view of palate, x 17 diam. 
PLATE LVI. 
Menura superba 2. 
. Lower view of palate, x 14 diam. 
. Upper view of face and frontal region, x 14 diam. 
. Side view of ditto, x 14 diam. 
. Part of fig. 2, x 3 diam. 
. Upper view of vomer and part of palatines, x 8 diam. 
Pitta melanocephala. 
. 6. Lower view of palate, x 24 diam. 
. 7. Part of ditto, x 4 diam. 
. Grallaria squamigera. 
8. Lower view of palate, x 24 diam. 
1 
10. Sectional view, showing septum nasi and part of ethmoid, x 23 
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