(>s 



Item; roi o, I <S Hous finch. 



I Auk 

 I Jan. 



seem to show thai the method oi obtaining them had no untoward 

 effect on the growth of the birds. Tho meteorologic conditions 

 prevailing during the nest life of broods " I B 07" and "o C 07" 



I'vt;; \ 

 IveragQ daU] ii.uti UQ weight of eight nestlings, gain given in percent. 

 iU^ I I 3 -f «5 t ; 7 ^ ; i 1 to // 12 fZ i-l tf 16 



45* 

 40 



30 



j - 



?o 



- 



— , 1- \[ , r — i — - — 



• ' ' ■ ■ — ■ ■ ■' '■■- —- — • — ■ ' ■ ■ ~ t " — — — — — — t 



1 1 I I i I I I i 1 1 ! I r 



seemed to have littlo or no influence on the development of the 

 individuals of both broods, though the temperature wont, on several 



nights, below 50 F. 



CON< US KS AS TO WEIGHT, 



<o Pinch egg 36 grains. 

 lyhatche a Finch — 42 grains. 



; g | louse Finch on leaving 



4. ■ adult House Fiv 28 grains. 



;• House Finches s if 



adult b ■ 



6. A young House Finch when leaving the nest d 

 within 99 ftdult w. 



