382 



U. S. NATIONAL MUSEUM BULLETIN 217 



*ei9KT 



10 



MAY 20 



SI JUNE 10 20 30 JULY 10 



20 





§RAM? 



lEO. 

 110- 

 100 ' 





F 



° O 

 CO 



O " " O 





o 



30 



90' 





oo o o 



o 



ZONOTRICHIA L. G. ° 







25 



TESTES 







m. 25.6 g. s, d. t .7 a cv. 6 .7 % 







20 



lomm 















5 





^s*" 



O O 8 ° O C» 



o 

























FAT 















F. 





o 











MF. 





8 o 

 o 











LF. 





S88o o 00 



o ooo o o o 









VLF. 





o 



o o 









WEIfillT 

 120- 



10 



MAY 



20 



3 1 



JUNE 10 20 



30 JULY 



10 



20 



GRAI^ 



F 

















■35 



110- 



o 

 o 



OO 



o« 

 Oo 



5 OOo 



o 













■30 





CO 



o8b 





o 











9 0- 



80- 

 TESTES 







o 

 o 



8 



CALCARIUSL. A. 

 m 28-69 s.d 2'4g. 



O 



c.v. 8-4% 





O 



25 



BIG. 





OJJf> 



m^ 



CO 













MEDIUM. 





88 















■15 



SMALL. 



88o 













O 





Efil 





















F. 



^ 



# 



o 















MF. 







ooo 















LF. 







oo 



oo 









o 





VLF. 







o 















Figure 31. — ^Top: Gambel's white-crowned sparrow, c? {Zonotrichia leucophrys gamhelit). 

 Bottom: Alaskan longspur, cf {Calcarius lapponicus alascensis). 



