BIBLIOGRAPHY. 



Recommendations regarding the treatment of Genera without Species, etc. 

 <Science, N. S., XXX, No. 744, pp. 596-597, Oct. 29, 1909. 



Covers two recommendations relating to genera without species, which are the outcome 

 of the correspondence on this subject in Science, and directly with Prof. T. D. A. Cockerell. 



1910. 



The Determination of Genotypes in Zoology. Advance separate of a paper 

 published in the Proceedings of the Seventh International Zoological Con- 

 gress, Boston meeting, August 19-24, 1907 (8vo, pp. L 7; separates received 

 Jan. 24, 1910.) 



Opinions rendered by the International Commission on Zoological Nomen- 

 clature. <Stience, N. S., XXXII, No. 820, pp. 380-382, Sept. 10, 1910. 



Summary of Opinions|l-25, with comment. 



1912. 



Mathews's Notes on Nomenclature. <Auk, XXIX, pp. 133-135, Jan., 1912. 



Rejoinder to Gregory M. Mathews's paper of this title (Auk, I. c, pp. 131-133), with 

 special reference to the genus Colymbus Linne (1758) and Colymbus Brisson (1760), and 

 to other Brissonian genera. 



Suggested Amendments to the International Code of Zoological Nomenclature. 

 Amendment Proposed by Dr. J. A. Allen. <Zool. Ariz., XLI, pp. 38-45, Nov. 

 26, 1912. 



Amendment to replace the 'Recommendations' following Art. 36, placing generic names 

 on a basis similar to that of specific names under the Gratz (1910) amendment to Art. 35. 



1913. 



Propositions by J. A. Allen and T. D. A. Cockerell for Amendments to the 

 International Code of Zoological Nomenclature. <Zool. Anz., XLI, pp. 426- 

 427, March 11, 1913. 



Species designated by only a vernacular name may, under certain conditions, be accepted 

 as genotypes. 



