Vo, i9?3 XX ] Recent biteratun 591 



Method of Recording Bird Music, with a Correction In n 

 . |. .,n thi if emotion in the Mourning Dove and the Pa engei 



Pigeon ('The ^uk,' October, 1911), in the musical notation! I u 

 •m, I H:ii iii rod than 



mitone In the Mourning Do i record No. 1, the econdnotei only a 

 trifle sharp; and the Pa eonrecord i 7, and 8 each con- 



tain b downward run in which fti<- interval are 



mitone I ought to have explained 'In- in the original 

 papei 



To measure the tempo of a bird ong, the best in trumenti a top-watch 

 While the bird is ringing, count the bea Naught, one, two, 



three, ..." Start the top-watch with " Naught " and stop it with " ten." 

 'il,i gives a very accurate result, if the beat* be rapid, count twenty 

 instead of ten In ab ence of a top-watch, 1 Hunk the best one can do is 

 to fount the beats for fi vi oi ome other definite number oi econds, 



by an ordinary watch; l»ut this is far I«:hh accurate. Wau.au. Craig, 

 On, im. Maim 



RECENT LITERATURE 



Regulations for the Protection of Migratory Birds.' Under the 

 provisions of the so-called McLean ad the U. 8. Department of Agricul- 

 ture baa been entrusted with the protection of our migratory birds. A 

 committee was appointed by the Acting Secretary from the staff of the 

 Biological Survey, consisting of l>r. T. S. Palmer, chairman, I>r A. K. 

 Fisher and Prof. W. W. Cooke, to draw up suitable regulation* for the 

 purpose and these together with a circular of explanation were issued late 

 in June, to become effective October 1, 1913, after approval by the President . 



J he regulations are ten in number: 

 I. defines migratory game and insectivorous birds. 



II provides ■■< closed season at night i.e. from sunset to sunrise, on - * 1 1 



migratory bu ■ 



III provides a continuou losed easononi ous birds, 



pi .in opei on Reedbirds in Delaware, Maryland, I>i-tri':t, 



of Columbia, Virginia and South Carolina, September I Oct. 31. 

 Scientific collecting permits howeverai ' present. 



Regulation* for the Protection of M Oil ilar '»_'. 



Bureau of Biological Survej i - Depl Agrlc pp i 6 June 23 1913 



.nation Of Mm- Proposed RegUlatiODJ for tru- Protection "f Migratory Birds. 



Circulai hi ot Biological \grte pp l-fi l'jn<; 



23 1913 



