LITERATURE CITED 461 



Rhoads, Samuel Nicholson. 



1892. The breeding habits of the Florida burrowing owl (Speotyto cunicularia 

 floridana). Auk, vol. 9, pp. 1-8. 

 Richardson, Charles Howard, Jr. 



1906. Cannibalism in owls. Condor, vol. 8, p. 57. 

 Ridgway, Robert. 



1870. A new classification of the North American Falconidae, with descrip- 

 tions of three new species. Proc. Acad. Nat. Sci. Philadelphia, 

 vol. 22, pp. 138-150. 



1876. Ornithology of Guadeloupe Island, based on notes and collections 



made by Dr. Edward Palmer. Bull. Hayden U. S. Surv. Terr., 

 vol. 2, pp. 183-195. 



1877. United States geological exploration of the fortieth parallel, vol. 4. 



Part 3: Ornithology, pp. 303-667. 



1878. Three additions to the avifauna of North America. Bull. Nuttall Orn. 



Club, vol. 3, pp. 37-38. 

 1880a. Revisions of nomenclature of certain North American birds. Proc. 



U. S. Nat. Mus., vol. 3, pp. 1-16. 

 1880b. Description of the adult plumage of Hierfalco gyrfalco obsolelus. 



Bull. Nuttall Orn. Club, vol. 5, pp. 92-95. 



1886. A nomenclature of color for naturalists. 



1887. A manual of North American birds. 

 1889. The ornithology of Illinois. Vol. 1. 

 1912. Color standards and color nomenclature. 



1914. The birds of North and Middle America. Part 6. 

 Roberts, Thomas Sadler. 



1932. The birds of Minnesota. Vol. 1. 



1936. Great gray owl, Scotiaptex nebulosa nebulosa, nesting in Minnesota. 

 Journ. Minnesota Orn., vol. 1, pp. 65-66. 

 Robertson, John McBrair. 



1925. Further notes on screech owls at Buena Park. Condor, vol. 27, pp. 



35-36. 

 1929. Some observations on the feeding habits of the burrowing owl. Con- 

 dor, vol. 31, pp. 38-39. 

 Rockwell, Robert Blanchard. 



1907. Some Colorado notes on the Rocky Mountain screech owl. Condor, 



vol. 9, pp. 140-145. 



1908. Nesting of the western horned owl in Colorado. Condor, vol. 10, 



pp. 14-17. 



1909. The use of magpies' nests by other birds. Condor, vol. 11, pp. 90-92. 

 Rockwell. Robert Blanchard, and Blickensderfer, Clark. 



1921. Glimpses of the home life of the saw-whet owl. Nat. Hist., vol. 21, 

 pp. 628-638. 

 Roosevelt, Theodore. 



1904. Wilderness reserves. In: American big game and its haunts. 

 Rowan, William. 



1921-22. Observations on the breeding-habits of the merlin. British Birds, 

 vol. 15, pp. 122-129, 194-202, 222-231, 246-253. 

 Rubey, William Walden. 



1927. Barred owls nesting in box near Washington, D. C. Bird-Lore, vol. 

 29, pp. 408-409. 

 Rtjhl, H. D. 



1926. Banding barred owls. Wilson Bull., vol. 38, p. 175. 



