350 PROF. W. K. PAEKEE ON iEGITHOGNATHOUS BIRDS. 



PLATE LVII. 

 Pipra auricapilla. 

 Fig. 1. Lower view of palate, X 4 diam. 

 Fig. 2. Part of ditto, x 7 diam. 

 Fig. 3. Side view of face, X 4 diam. 



Pachyrhamphus. 

 Fig. 4. Lower view of palate, X 4 diam. 

 Fig. 5. Part of ditto, X 7 diam. 

 Fig. 6. Side view of face, X 4 diam. 

 Fig. 7. Upper view of ditto, x 4 diam. 



Thamnophilus doliatus. 

 Fig. 8. Lower view of palate, X 3^ diam. 

 Fig. 9. Part of ditto, X 6 diam. 

 Fig. 10. Side view of face, X 4 diam. 



PLATE LVIII. 



Artamus leucorhinus. 



Fig. 1. Lower view of palate, X 2^ diam. 

 Fig. 2. Part of ditto, X 5 diam. 



Hyloterpe sulfuriventer. 



Fig. 3. Lower view of palate, X 3j diam. 

 Fig. 4. Part of ditto, X 6 diam. 



Dicrurus leucops. 



Fig. 5. Lower view of palate, X 2 diam. 

 Fig. 6. Part of ditto, X 4 diam. 



Enodes erythrophrys. 



Fig. 7. Part of lower view of palate, X 4 diam. 

 Fig. 8. Part of side view of face, X 4 diam. 



Trichastoma celebense. 

 Fig. 9. Part of lower view of palate, X 5 diam. 



