THE PTERYLOGRAPHY OF THE MEGAPODII. 491 



REFERENCES. 



1. Gadow, H. Bronn's Klass. u. Ordnung des Tliier-ieichs. Bd. 6, Abt. iv. Anatomisch. 



Theil, 1891, p. 699. 



2. Gadow, H. Ibid. Systemat. Theil, 1893, p. 171. 



3. Grant, W. R. O. Catal. Birds Brit. Mus., Vol. xxii., 1893, p. 445. 



4. i\TlTCHELL, P. C. " On so-called ' Quintocubitalism ' in the Wing of Birds ; with speei.al 



reference to the Columbte, and Notes on Anatomy." .Journ. Linn. See. (Zool.), Vol. 

 XXVII., pp. 210—36, 1899. 



5. Newton, A. Dictionary of Birds, 1896, p. 243. [Article " Feathers" by H. Gadow.] 



6. NiTZscH, C. L. " Pterylography."' English Trans. Roy. Soc, p. 811, 1867. 



7. Pycraft, W. p. "The Interlocking of the Barbs of Feathers." Natural Science, Vol. 3, 



1893, pp. 197—203. 



8. Pycraft, W. P. "The Wing of Archreopteryx." Natural Science, Vol. v., 1894, 



pp. 3.50—60. 



9. Pycraft, W'. P. "A Contribution to the Pterylography of the Tinaniformes." Ibis, 



1895, pp. 1—21. 



10. Pycraft, W. P. "On the Pterylography of the Hoatzin." Ibis, 1895, pp. 345—73. 



11. Pycraft, W. P. "A Contribution towards our Knowledge of the Morphology of the 



Owls." Trans. Linn. Soc, Vol. vii. (2nd Ser. Zool.), 1898, pp. 223—275. 



12. Pycraft, W. P. "Some facts concerning the so-called ' Aquintocubitalism ' in the Bird's 



W^ing." Journ. Linn. Soc. (Zoology), Vol. xxvii., pp. 236—56. 1899. 



13. Sclater, p. L. "Remarks on the Fifth Cubital Reme.x of the Wing in the Carinatae." 



Ibis, 1890, pp. 77—83. 



14. Wallace, A. R. "Malay Archipelago," p. 305. 1890. 



EXPLANATION OF PLATE XLIX. 



Fig. 1. Lateral view of the left side of an embryo Megapodius eremita, showing the 

 form of the pterylfe. The dotted areas represent pterylte ; the relative sizes of the feathers 

 are indicated by large and small dots. 



Apt. coll. hit. Apterium colli laterale. 



Ajjt. m. Apterium mesogastroei. 



Pt. cap. Pteryla capitis. 



Pt. caud. Pteryla caudalis. 



Pt. coll. dors. Pteryla colli dorsalis. 



Pt. coll. vent. Pteryla colli ventralis. 



Pt. cr. Pteryla cruralis. 



Pt. f. Pteryla femoralis. 



]'(. hum. Pteryla humeralis. 



Pt. .y). Pteryla spinalis. 



Fig. 2. Dorsal view of the same. The dotted parts as before. 



Apt. sp. Apterium spinale. 



Apt. t. lat. Apterium trunci laterale. 



Fig. 3. Ventral view of the same. 



