March, 1925 THE TIMBERLINE SPARROW 69 



MEASUREMENTS IN MILLIMETERS (AVERAGE, MINIMUM AND MAXIMUM) OP 

 SPIZELLA BREWERI AND SPIZELLA TAVEBNERI 



Middle toe 

 Wing Tail Culmen Tarsus with claw 



Spizella 



breweri 61.8(60.5-64.5) 61.0(58.5-67.0) 8.2(8.0-8.5) 17.2(16.6-18.0) 14.8(13.5-15.5) 



10 males' 



Spizella 



taverneri 64.1(61.5-66.2) 65.1(62.5-68.0) 7.8(7.0-8.5) 17.3(17.0-18.0) 15.5(15.0-16.0) 

 6 males 



Spizella 



breweri 59.2(57.5-60.0) 58.7(57.5-60.0) 8.4(8.0-8.8) 17.1(16.2-17.5) 15.2(14.5-16.0) 



10 females' 



Spizella 



taverneri 60.7(60.0-62.0) 59.5(57.0-62.0) 8.2(8.0-8.5) 17.6(17.0-18.0) 15.7(15.0-16.5) 

 3 females 



' Breeding birds, from Humboldt County, Nevada. 



WEIGHTS IN GRAMS (AVERAGE, MINIMUM AND MAXIMUM) OP 

 SPIZELLA BREWERI AND SPIZELLA TAVERNERI 



Spizella breweri Spizella taverneri 



10 males 10.6(9.8-11.5) 6 males 12.3(10.0-14.0) 



5 females 10.6(9.3-11.8) 2 females 12.3(11.5-13.0) 



Berkeleyj California, January 26, 1925. 



