i8 Jones — Nestling Feathers. 



VII. BIBLIOGRAPHY. 



Chapman, Frank M. 



1905. A Contribution to the Life History of the American Flamingo 

 ( Phoenicopterus ruber), with Remarks upon Specimens. Bull. Am. 

 Mus. Nat. Hist. Vol. XXI, Art. VII, pp. 53-77. 

 Davies, H. R. 



1889. Die Entwicklung der Feder und ihre Beziehungen zu anderen 

 Integumentgebilden. Morph. Jahrb., Bd. 15, pp. 560-645, Taf. 

 23-26. 

 Klee, R. 



1886. Bau und Entwicklung der Feder. Hallersche Zeitschr. f. Na- 

 turwiss Bd. 59, Heft 2, pp. 1 10-156, Taf. 18-20. 

 Lwoff, W. 



1884. Beitrag zur Histologie des Haares, der Borste, des Stachels, 

 und der Feder. Bull. Soc. imp. Moscou, Tome 59, Pt. I, pp. 141- 

 174, Taf. 5-8. 

 Studer, T. 



1873. Die Entwicklung der Feder. Inaug-Dissert. (Philos.) Facult. 

 Bern. 29 p., 2 Taf. 

 Studer, T. 



1878. Beitrag zur Entwicklungsgeschichte der Feder. Zweitschr. f. 

 wiss. Zool., Bd. 30, pp. 421-436, Taf. 25, 26. 

 Strong, R. M. 



1902. The Development of Color in the Definitive Feather. Bull, of 

 the Mus. of Comp. Zool., Harvard Coll., Vol. XL, No. 3, pp. 147- 

 185, PI. 1-9. 



EXPLANATION OF ABBREVIATIONS. 



ax. pi. Axial plate. Drm. pp. Derma of papilla. 



bbl. Barbule. dst. Distal. 



bbl. cl. Barbule cell. Ep. Epitrichial layer. 



brb. Barb. fil. Barbule cell filament. 



brb'. Down barb. grm. df. Definitive feather germ. 



brb. crs. Barb ridge or vane. hr. Cornified tissue. 



brb. df. Definitive feather barb. mb. ba. Basement membrane. 



cl. cyl. Cylinder cell layer. med. Medulla. 



cl. im. Mucous intermediate cell Mp. Malpighian layer. 



layer. nl. Nucleus. 



cl. in. Intermediate cell. nil. Nucleolus. 



cl. pig. Pigment cell. pip. Down pulp, 



cl. tu. Sheath cell layer. pp'. Down papilla, 



cpl. sug. Red blood corpuscle. prx. Proximal, 



ctx. Cortex. tu. ep. Epitrichial sheath, 

 drm'. Derma. 



