JOHN E. THAYER COLLECTION 



[Jan., 1874.] (Lyceum of Natural History, N.Y., vol. 

 10, 1874, pp. 364-394-) 24 cm ' 



RIDGWAY, ROBERT. Directions for collecting 

 birds. By Robert Ridgway. Part A of Bulletin of the 

 U.S. Nat. Mus., no. 39. Washington, 1891. 27 pp. 23 cm - 



RIDGWAY, ROBERT. The Humming-birds. By 

 Robert Ridgway. (U.S. National Museum, 1890, pp. 

 253-383.) 46 pi. 22f cm - 



RIDGWAY, ROBERT. A manual of North Ameri- 

 can birds. By Robert Ridgway. Illus. by 464 outline 

 drawings of the generic characters. Philadelphia, J. B. 

 Lippincott Co., 1896. xiii, 653 pp. front, port., 124 



RIDGWAY, ROBERT. The ornithology of Illinois. 

 Published by authority of the State Legislature, Spring- 

 field, Illinois, 1889-95. 2 vols., pl. 27 cm - (Natural his- 

 tory survey of Illinois, parts 1-2.) 



RIDGWAY, ROBERT. Ornithology. U.S. geo- 

 logical exploration of the fortieth parallel. Clarence 

 King, geologist-in-charge. . . . ill. by 24 pl. Washing- 

 ton, Government Printing Office, 1877. 669 pp. 24 pl. 



30 cm. 



RIDGWAY, ROBERT. Outlines of a natural 

 arrangement of the Falconidae. By Robert Ridgway. 

 Washington, Government Printing Office, June, 1875. 

 7pp. pl.xi-xvm. 23 011 ' 



RIDGWAY, ROBERT. Revision of nomenclature 

 of certain North American birds. By Robert Ridgway, 

 1880. i6pp. 24 cm - 



RIDGWAY, ROBERT. I. Studies of the American 

 Falconidae. By Robert Ridgway. II. Ornithology 



146 



