152 MR. W. K. PARKER ON THE STRUCTURE 



Fig. 5. Palate of common Wren {Troglodytes vulgaris), x 5 ^ diameters. 



Fig. 6. Part of same, x 11 diameters. 



Fig. 7. Side view of face of the Wren, x 5-J- diameters. 



Fig. 8. Palate of adult Goatsucker (Caprimulgus europceus). x 2\ diameters. 



Fig. 9. Part of same, seen from above, x 4^ diameters. 



Fig. 10. Part of face of same bird, upper view, x 2^ diameters. 



Fig. 11. Part of palate of young Goatsucker, seen from above, x 4 diameters. 



Plate XXII. 



Fig. 1. Palate of a still younger Goatsucker {Caprimulgus europmus). x 4 diameters. 



Fig. 2. Palate of Humming-bird (Patagona gigas). x 3g diameters. 



Fig. 3. Part of same view, x 6f diameters. 



Fig. 4. The same, seen obliquely, x 6| diameters. 



Fig. 5. Cranium of same bird, seen from above, x 3| diameters. 



Fig. 6. Part of same, side view, x 3j diameters. 



Fig. 7. Hyoid bones of same bird, x 6§ diameters. 



Fig. 8. Palate of a nestling Humming-bird (? Lampornis) from Barbadoes. x 6§ diameters. 



Fig. 9. Part of same, x 10 diameters. 



Fig. 10. Part of same, seen from above, x 10 diameters. 



Plate XXIII. 



Fig. 1. Palate of Scythrops novce-hollandice. x 2-J- diameters. 



Fig. 2. Section of palatine bones of the same bird, x 2^ diameters. 



Fig. 3. Side view of face of same bird, x 2-i diameters. 



Fig. 4. Palate of Megalama asiatica. x 3 diameters. 



Fig. 5. Side view of face of same, x 3 diameters. 



Fig. 6. Palate of Podargus. x 1| diameter. 



Fig. 7. Side view of skull of same, x 1| diameter. 



Fig. 8. Palate of same, with lower plate removed, seen from below, x 2-J- diameters. 



Fig. 9. Side view of palate of same, x 2£ diameters. 



Fig. 10. Stapes of same, outer view, x 7\ diameters. 



Fig. 11. The same, inner view, x 7\ diameters. 



Plate XXIV. 



Fig. 1. Skull of Gyps fulvus, from above. 4 nat. size. 



Fig. 2. Skull of Dicholophus cristatus, from above. £ nat. size. 



Fig. 2a. Part of side view of the same skull, x 2 diameters. 



Fig. 3. Palate of same, x 1| diameter. 



Fig. 3a. Vomer of same, x 3 diameters. 



Fig. 4. Palate oiFalco tinnunculus (nestling), x 2 diameters. 



Fig. 5. Palate of Aluco flammeus (fledgling), x 2 diameters. 



Fig. 6. Part of same, from below. X 4 diameters. 



Fig. 7. The same, from above, x 4 diameters. 



Fig. 8. Part of same skull, side view, x 4 diameters. 



Fig. 9. Skull of Buteo vulgaris (recently fledged), part of side view. X 1| diameter. 



