ECONOMIC RELATIONS OF OUR BIRDS. 
629 
Tabular Summary of Economic Relations of Finches — continued. 
Number and Name of Speci¬ 
mens Examined. 
Of eigrht Winter Snow¬ 
birds examined. 
0 ; 
fl 
s 
a 
o 
o 
Classification 
OF Food. 
Animal food 
Vegetal food 
Ratios Represented by Lines. 
4 Unknown. 
Of fifteen Tree Spar¬ 
rows examined. 
2 
15 
1 
1 
<u 
O 
S 
s 
o 
o 
Animal food 
Vegetal food 
Beneficial 
Unknown 
Of fifty-two Chipping 
Sparrows examined. 
29 
27 
1 
16 
14 
'tJ 
.a 
cS 
d 
o 
O 
1 
29 
41 
Animal food 
Vegetal food 
Beneficial 
Detrimental 
Unknown 
Of seven Field Spar¬ 
rows examined. 
rS 
V 
d 
'B 
d 
o 
o 
Animal food. 
Vegetal food 
Beneficial ... 
Detrimental , 
Unknown.... 
Of thirteen Clay-col¬ 
ored Sparrows exam¬ 
ined. . 
10 
7 
4 
7 
Contained 
Animal food. 
Vegetal food. 
13 
22 
Beneficial . 
Detrimental. 
Unknown. 
Of sixteen White- 
throated Sparrows 
examined. 
6 
14 
3 
5 
Contained 
Animal food. 
Vegetal food. 
HBEDQH 
5 
15 
Beneficial. 
Detrimental. 
UnknoiVTi. 
. 
Of four Lark Finches 
examined. 
4 
Contain'd 
Animal food. 
Vegetal food. 
Of three Fox Sparrows 
examined. 
1 
3 
V 
d 
B 
d 
Animal food. 
Vegetal food. 
1 
m 
50 
Detrimental. 
1 
o 
O 
..... 
VoL. 1 — 34 
