158 MUSEO NACIONAL DE BUENOS AIRES. 



Gadow, H., In Dr. H. G. Bronn's Klassen und Ordnungen des Thier-Reichs. Vo- 



gel, I, Anatomischer Theil, 1891. 

 Gerbe, E., Sur les plumes du vol et leur mué. Bull. Soc. Zool. France, n, 1887, 



pp. 2S9-290. 

 Goodchild, J. G., Observations on the disposition of the Cubital Coverts in 



Birds. Proc. Zool. Soc. Lond., 1886, pp, 184-203, 

 Híicker, V., Meyer, G., Die blaue Farbe der Vogelfedern. Zool. Jahrb., xv, pp. 



267-294 (1901). 

 Hamonville, Barón D., Bevue des oiseaux qui au moment de la mué perdent 



la faculté du vol. Ornis, ix, N° 1, pp. 15-22 (1898). 

 Holland, Th., Zur Entwickelungsgeschichte der Federn. Journ. für Ornith- 



vin (1860), p. 841. 



— Pterologische Untersuchungen. Jura, f. Ornith. 1864, S. 194-217, 

 Jacquemin, E., De l'Ordre suivant lequel les plumes sont disposées sur le corps 



de l'oiseau. Compt. Rend. Ac. Soc, Par. n (1836), p. 374. 

 Jeffries, J. A., The Colour of Feathers. Bull. Nutt. Orn. Club, vn (1882), pp. 

 129-135. 



— The Epidemial System of Birds. Proc. Boston Soc. Nat. Hist., xxn. 

 (1883), p. 203. 



— On the Claws and Spurs on Bird's Wings. Proc. Boston Soc. Nat. Hist. 

 1881, Vol. xxi, p. 301. 



— On the Number of Primaries in Birds. Bull. Nutt. Orn. Club, vi /1SS1), 

 pp, 6-11. 



Iiafite-Dupont, J., Morphologie general des oiseaux. Ac. Soc. Linn. Bordeaux, 



liv. (6), iv, pp. 281-294 (1S99). 

 Lónuberg, E., On the Homologies of the different Pieces of the compound 



Rhaniphotheca of Birds. Arkiv Zool., I, pp. 479-512 (1904). 

 Lucas, F, A., Clark on the classification of Birds. Auk., xix, 1902, pp. 95-96. 

 Lunghetti, B., Ricerche sulla conformazione, struttura e sviluppo della glandola 



uropigetica. Monit. Zool., xvi pp. 220-223 (1905). 

 Lymls, J.j The Development of Nestling Feathers. Laboratory Bulletin N.° 13, 



Oberlin College, Ohio (1907). 

 Mascha E., The Structure of Wing-Feathers. Smithsonian Miscell. Collect. 



Quarterly, ni, pp. 1-30,(1905). 

 Meijere, J. H. de, Ueber die Federn der Vogel. Morph. Jahrb., xxni, Bd. 4, pp. 



562-591 (1895). 

 Afiliáis, G., On the change to Spring Plumage without a Moult. Ibis, 1896, p. 451. 

 Mitchell Chalmers, P., On so-called «Quintocubitalism» in the Wing of Birds. 



Journ. Linn. Soc. (Zoology), vol. xxvn, pp. 220-236. 

 Müller, J., De Glandularum secernentium structura penitiori. Lipsiee 1830. Cap. 



vn. Glándula uropj'gii avium. 

 Xewbigin, miss M. J., Observations on the metallic Colours of the Trochilidae 



and the Nectariniidae. Proc. Zool. Soc. Lond., 1896, p. 285. 

 Newtou, A., A Dictionary of Birds. London, 1893-96. 

 Nitzscli, Ch. Ii., System der Pterylographie. Nach seinen handschriftlich aufbe- 



wahrten Untersuchungen, verfasst von H. Burmeister. Halle, 1840. 

 Orlaudi, S., Contribuzione alio studio della struttura e dello sviluppo della glan- 

 dola uropigetica degli uccelli. Atti della Soc. Ligustica, xin, pp. 45-55; 



Boíl. Mus. Genova, pp. 1-11 (1902). 

 Parker, W. K«, On the presence of Claws in the Wings of the Ratitae. Ibis, 



1888, pp. 124-128. 



— A contribution to the Pterylography of Birds' Wings. Tr. Leicester Soc. 

 (n. s.) ii, pp. 123-144 (1890). 



Pycraft, IV. P., Some Facts concerning the so-called «Aquintocubitalism» in the 

 Bird's Wing. Journ. Linn. Soc. (Zoology), vol. xxvn (1899-1900), p. 246. 



