PASSERINE BIRDS OF NEW YORK 329 



Reviewed in InteUectiial Observer, X. 1867. pp. 377- 

 386; ibid., XI. 1867. pp. 172-175 



Ficalbi, E.* 



'90 Sulla architettura istologica di alcuni peli degli uccelli con 

 considerazioni sulla filogenia dei peli e delle penne 

 Atti Soc. Toseana di sei. nat. (Pisa), XL 1890. pp. 227 



Fleming, J. 



'17 Hybernation of animals 



Edinb. Encyelop. (Brewster), XI, 181 7. p. 388 



Fleming, J. 



'20 On the changes of colour in the feathers of birds indepen- 

 dent of moulting. (With note by Professor Jameson ap- 

 pended.) 

 Edinburgh Philos. Jivirn., II. 1820. pp. 271-276 



Frauenfeld, G. von 



'53 Ueber Farbenveranderung bei Vogeln 



Verha/idl. d. zooL- botan. Vereins in ]]'ie?i. 111. 1853. pp. 

 36-45 

 Frauenfeld, Gr. von * 



'73 Ueber Farbenveranderungen [bei Vogeln] 



Gejied. Jl'e/i (Berlin), II. 1873. PP- §8, 89, 98, 99, 

 116, 117 



Fiirbringer, M. 



'88 Untersuchungen zur Morphologic und Systematik der 

 Vogel, zugleich ein Beitrag zur Anatomic der Stiitz- und 

 Bewegungsorgane 



2 vols., 4to. Amsterdam. 1S88. pp. xlix. 1751. pis. 

 XXX. [Federn. pp. 1006-1014] 



Gadow, H. 



'82 On the colour of feathers as affected by their structure 



Eroe. Zoo/. Soe. [London] 1882. pp. 409-421, pis. 

 XXVII, XXVIII 



'83 [French translation by H. G. de Kerville.]^'' Sur la struc- 

 ture des plumes et de ses rapports avec leur coloration 

 Biiii. Soc. amis des sei. fiat, de Rouen, XIX. 1883. 



Gadow, H. 



'88 Remarks on the numbers and on the phylogenetic develop- 

 ment of the remiges of birds 

 Eroc. Zoo/. Soc. [London] 1888. pp. 655-667 



