182 



BIBLIOGRAPHY. 



827. The Bceloph us bicolor-atricristatus Group. <Bull. Amer. Mus. Nat. Hist., 



XXIII, pp. 467-481, June 12, 1907. • 



A study in geographic variation, etc. Mr. Ridgway's conclusion that B. bicolor and B. 

 atricristatus freely hybridize in portions of Texas is confirmed. 



828. Birds of North and Middle America. <Amer. Nat., LXI, pp. 672-673, Oct., 



1907. 



Brief notice of R. Ridgway's work of this title, Parts I-IV. 



829. Ridgway's 'The Birds of North and Middle America.' <Auk, XXIV, pp. 450- 



451, Oct., 1907. 



Review of Part IV, 1907. 



830. Townsend and Allen's 'Birds of Labrador.' <Auk, XXIV, pp. 451-452, Oct., 



1907. 



Review of Dr. Charles W. Townsend and Glover M. Allen's paper of this title (Proc. 

 Boston Soc. Nat. Hist., XXXIII, No. 7, 1907, pp. 277-428, with map.) 



831. Townsend's 'Along the Labrador Coast.' <Auk, XXIV, pp. 452-453, Oct., 



1907. 



Review of Dr» Charles W. Townsend's work of this title (8vo, Roston, no date, [1907]). 



832. Clark on New Birds from Eastern Asia and the Aleutian Islands. < A uk, 



XXIV, p. 453, Oct., 1907. 



Review of paper by Austin H. Clark in Proc. U. S. Nat. Mus., XXXII, pp. 467-475, 1907. 



833. Clarke 'On the Birds of the Weddell and adjacent Seas.' <Auk, XXIV, pp. 



454-455, 1907. 



Review of William Eagle Clarke's report on the ornithological results of the Scottish 

 National Antarctic Expedition (Ibis, 1907, pp. 325-349 and map.) 



834. Goeldi's 'Album de Aves Amazonicas.' <Auk, XXIV, p. 455, Oct., 1907. 



Review of Dr. Emilio A. Goeldi's work of this title (4to, 1900-1906). 



835. Herman's 'The Protection of Birds in Hungary.' <Auk, XXIV, pp. 456-457, 



Oct., 1907. 



Review of Otto Herman's Report to the Hungarian Government (8vo, Rudapest, 1907). 



836. Anderson's 'The Birds of Iowa.' < Auk, XXIV, pp. 458-459, Oct., 1907. 



Review of Rudolph M. Anderson's paper of this title (Proc. Davenport Acad. Sci., XI, 

 pp. 125-417, March, 1907). 



837. [The Seventh International Congress of Zoology.] <Auk, XXIV, pp. 462-466, 



Oct., 1907. 



Short account of the Boston Congress (August 19-24, 1907), with a transcript of the new 

 Article 30 of the International Code of Zoological Nomenclature adopted at this Congress, 

 here first puhlished. 



838. A List of the Gener.a and Subgenera of North American Birds, with their 



Types, according to Article 30 of- the International Code of Zoological 

 Nomenclature. <Bull. Amer. Mus. Nat. Hist., XXIV, pp. 1-50, Dec. 26, 

 1907. 



Historical resume, pp. 3-12, containing comment on 'Article 30,' and on 'G. R. Gray as a 

 First Reviser.' The determination of types by Rule 30 gives practically the same results as 

 by elimination, the two methods giving the same type in 192 out of 197 cases where the type 

 depends on 'subsequent designation.' 



