SEXUAL DIFFERENCES IN WING FEATHERING. 255, 



TABLE II. 

 Dimensions of Beaks. 





Males. 



Females. 





No.* 



Old. 



Young. 



Old. 



Young. 



t 



1 





57—75 

 57—70 







20 



2 







8 



3 



55—70 

 54—72 



1 



5 



4 





I 



15 



5 



54—69 





16 



6 



53—70 

 52—71 

 52—70 

 50—73 





3 



7 







4 



8 





1 



7 



9 





1 



10 



10 



50—71 



" 



1 



11 



50—70 





11 



12 



50—70 

 50—70 



| 



18 



13 





1 



21 



14 



50—70 



! 



2 



15 



50—68 





17 



16 







49—68 



48—73 



48—68 



48—66 



48 



48—62+ 



14 



17 









9 



18 









25 



19 









6 



20 









12 



21 









24 



22 







48—62+ 

 47—69 

 46 — 75 



26 



23 









13 



24 









23 



25 



46—67 









19 



26 







45— 62 1 

 44—64 



27 



27 









22 













* Serial numbers, with diminutive length of beaks. 



f Numbers referring to serial arrangement of Table I. (first column). 



+ Dried skins. 



