658 ^ CENTURY OF PROGRESS IN THE NATURAL SCIENCES 



Selous, E. 



1901. Bird Watching, xi + 347 pp. London. 



1905a. Bird Life Glimpses, viii + 355 pp. 



1905b. The Bird Watclier in the Shetlands. x + 388 pp. 



Sharpe, R. B. 



1899-1909. Hand-List of the Genera and Species of Birds in the British Museum. 

 5 vols. London. 



Sharpf;, R. B., and others 



1874-1898. Catalogue of the Birds in the British Museum. 27 vols. London. 



Shelley, G. E. (and, in part) W. L. Sclater 



1896-1912. The Birds of Africa, Comprising All Species Which Occur in the Ethiopian 

 Region. 5 vols. 502 pp. London. 



Shufeldt, R. W. 



1891. Fossil birds from the Equus beds of Oregon. Amer. Nat., 25:818-821. 



Siebold, Pii. Fr. de 



1844-1850. Fauna Japonica: Aves: Temminck, C. J., and Schlegel, H. 

 Lugduni Batavorum, Apud A. Arnz et socios. 



Steiner, H. 



1917. Das Problem der Diastataxie des Vogelfltigels. Jenaische Zeitschr. f. Naturwiss., 

 55:221-496. 



Stolpe, M. 



1932. Physiologisch-anatomische Untersuchungen iiber die hintere Extremitat der 

 Vogel. Journ. f. Ornithol., 80:161-247. 



Stresemann, E. 



1927-1934. Aves-Vogel. In Kiikenthal und Krumbach, Handbuch der Zoologie, Bd. 7 

 (2te Halfte). 899 pp., 944 figs. Berlin: De Gruyter. 



1951. Die Entwicklung der Ornithologie. xv + 431 pp. Berlin: F. W. Peters. 



Strong, R. M. 



1939-1946. A Bibliography of Birds. Field Mus. Nat. Hist. (Zool. Ser.), 25, pts. 1-3. 



SwANN, H. K., and A. Wetmoke 



1924-1945. A Monograph of the Birds of Prey. London. 



SWINTOX, W. E. 



1934. A Guide to the Fossil Birds, Reptiles and Amphibians in the Dept. Geol. and 

 Palaeont. Brit. Mus. (Nat. Hist.). London. 



Thomson, J. A. 



1923. The Biology of Birds, xi + 436 pp., 9 pis., 59 figs. London. 



TlNMlCRGEN, N. 



1936. The problem of sexual fighting in birds; and the problem of the origin of 

 "territory." Bird Banding, 7:1-8. 



1939a. The behavior of the Snow Bunting in spring. Trans. Linn. Soc. New York, 

 5:1-95. 



1939b. On the analysis of social organization among vertebrates, with special refer- 

 ence to birds. Amer. Midi. Nat., 21:210-234. 



1942. An objective study of the innate behaviour of animals. Bibl. Biotheor., 1:39-98. 



1948. Social releasers and the experimental method required for their study. Wilson 

 Bull., 60:6-52. 



1951. The Study of Instinct, xii + 228 pp. London: Oxford Univ. Press. 



