" 1920 J Recent Literature. 49 7 



Heifer, H. Bird Observations in Spring. (Zool. Anziger. XLIX, 



1917, pp. 214-220.) — Gives dates for first song. [In German.] 

 Lebedinsky, N. G. On the influence of the method of feeding on the 



form of the lower mandible of Birds. (Zool. Anzeiger. September 20, 



1918, pp. 36-41.) [In German.] 



Demoll, R. The Flight of Insects and Birds. (Die Naturwissen- 

 shaften, XXVII, 1919, p. 480.) [In German.] 



Additional Publications Received. Shufeldt, R. W. (1) Material 

 for a Study of the Megapodidae (The Emu, July and October, 1919, and 

 January 1920.) (2) Osteological and Other Notes on the Monkey-eating 

 Eagle of the Philippines, Pithecophaga jefferyi Grant (Philipp. Jour, of 

 Sci., XVI, No. 1., July, 1919.) (3) My Published Writings Second In- 

 stallment (Medical Rev. of Rev., February, 1920.) 



Hudson, W. H. (l) Adventures Among Birds. (2) Birds in Town 

 and Village. E. P. Dutton & Co. N. Y. 1920. 



Bulletin Charleston Museum. XVI, Nos. 2, 3, and 4. February, 

 March and April, 1920. 



Condor, The. May-June, 1920. 



Phillippine Journal of Science. XV, Nos. 5 and 6, XVI. No. 1, 

 Novemberand December, 1919, and January, 1920. 



Proceedings of the Academy of Natural Sciences, Philadelphia. 

 LXXI, Part III, 1920. 



Proceedings of the Nova Scotia Institute of Science. XIV, Part 

 4. August, 1919. 



Records of the Australian Museum. XIII. No. 1. March 16, 

 1920. 



Revue Francaise d' Ornithologic. May, 1920. 



