APPENDIX 



MONTGOMERY, THOS. H., JR. Extensive Mi- 

 gration in Birds as a Check upon the Production of 

 Geographical Varieties. 



MORSE, EDWARD. S. On the Tarsus and Car- 

 pus of Birds, i folding colored plate. 



NELSON, E. W. Descriptions of New Birds from 

 Northwestern Mexico. 



NORRIS, J. PARKER. Some facts about the 

 Consistency of the Chairman of the A. O. U. Committee 

 on Bird Protection and an Answer to his "Hints to 

 Young Students." Privately printed 1899. 



NORTON, ARTHUR H. Sharp-tailed Sparrows 

 of Maine. Remarks on their Distribution and Re- 

 lationship. 



OSGOOD, WILFRED H. Champa Fasciata and 

 its Subspecies. 



PALMER, FRANK H. Insect Eating Birds, the 

 Farmer's Best Friends. Illustrated. 



PALMER, T. S. The Danger of Introducing 

 Noxious Animals and Birds. Plates, 1898. 



PYCRAFT, W. P. The Interlocking of the Barbs 

 of Feathers. 



PORTFOLIO IV 



RICHMOND, C. W. Description of a New Species 

 of Plover from the East of Madagascar. 



RIDGWAY, ROBERT. Studies of the American 

 Falconidas. Monograph of the Genus Micrastur. Il- 

 lustrated. 



RIDGWAY, ROBERT. Notes on Sterna Longi- 

 pennis Nordmann. 



