APPENDIX 



FORBES, S. A. The Food of the Blue Bird. 



FORBES, S. A. The Food of Birds. The Thrush 

 Family. 



FORBES, S. A. The Regulative Action of Birds 

 upon Insect Oscillations. 



FORBES, S. A. The Food of Birds, with statistical 

 list of Birds and their Food. 



FOSTER, L. S. A consideration of some Ornitho- 

 logical Literature, with extracts from Current Criticism, 

 1876 to 1883. 



FREKE, PERCY. E. 

 in North America. 



GENTRY, THOS. G. 

 can Species of Birds. 



GENTRY, THOS. G. 



On European Birds observed 

 On Habits of Some Ameri- 



English Sparrows. 



Natural History of the 



GRAYSON, ANDREW J 

 Tres Marias and Socorro. 



HASBROUCK, E. M. Evolution and Dichro- 

 matism in the Genus Megascops. With 14 maps. 



PORTFOLIO III 



HENSHAW, H. W. Ornithological Report upon 

 Collections made in Portions of California, Nevada 

 and Oregon. 1879. 



JEFFRIES, J. AMORY. 

 on Birds' Wings. 



JEFFRIES, J. AMORY. 

 of Birds. 3 plates. 



JUDD, SYLVESTER D. 

 ers. Illustrated. 



On the Claws and Spurs 

 The Epidermal System 

 Birds as Weed Destroy- 



159 



