NATUEAL ENEMIES: BIEDS. 
29 
Birds that have been found by stomach examination to have fed on leaf hoppers; the latter 
grouped by families — Continued. 
JASSID.E— Continued. 
Name of bird. 
Name of insect. 
Total 
number 
of stom- 
achs ex- 
amined. 
Number 
of stom- 
achs con- 
taining 
insects 
of the 
family 
named. 
Percentages. 
Chordeiles virginianus . 
Colinus virginianus . . . 
Myiochanes richardsonii. . 
Myiochanes virens 
Ammodramus s. australis. 
Cyrtonyx montezumae 
Dendroica sestiva 
Dendroica auduboni. 
Dendroica coronata 
Dendroica magnolia 
Dendroica townsendi. . . 
Dolichonyx oryzivoras. 
Dryobates pubescens. . . 
Dumetella carolinensis . 
Empidonax difficilis. . . 
Empidonax flaviventris. . 
Empidonax hammondi. . . 
Empidonax minimus 
Empidonax trailli 
Empidonax virescens 
Euphagus carolinus 
Euphagus cyanocephalus. 
Gallinago delicata 
Geothlypis trichas 
Vermivora celata 
Vermivora peregrina . . . 
Hirundo ery throgastra . 
Hylocichla guttata. . . 
Hylocichla mustelina . 
Hylocichla ustulata . . 
Icteras bullocki 
Icterus galbula 
Icterus spurius 
Iridoprocne bicolor . . 
Junco hyemalis 
Lanivireo solitarius . 
Lophortyx californicus. 
Mhnus polyglottos 
Megaquiscalus major. . . 
Meleagris gallopavo 
Melospiza georgiana 
Melospiza lincolni 
Melospiza melodia 
Molothrusater. 
Museivora forficata 
Myiarchus cinerascens. . 
Myiarchus crinitus 
Nannus h. pacificus 
Oporornis Philadelphia. 
Otocoris alpestris 
Jassidse . 
do.. 
.<lo. 
do.... 
do.... 
do.... 
do.... 
Jassidse (1! 
Jassidse . . . 
spin.). 
Jassidse (1 with 1,000 spm.). 
Jassidse . 
do.. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
162 
359 
170 
25 
116 
oM 
33 
11 
31 
302 
750 
287 
148 
91 
6 
162 
134 
93 
132 
399 
145 
130 
77 
331 
C) 
1G2 
385 
293 
207 
153 
164 
553 
619 
119 
121 
16 
72 
41 
718 
590 
127 
90 
244 
13 
2 
,159 
10. 1. 1, 40, 1, 1, 47, 
20,1,1,3,1,3,43, 
1.6,1,56,1,5,15,5. 
1, 1, 1, 1, 1, 5, 1, 1, 
2,1,1,2,1,5,3. 
4,10,22,5. 
25, 22, 24, 74. 
20,10,15,10,25,50,5. 
1,1, trace. 
25, 3, 20, 37, 73, 86, 
40, 15, 15, 10, 15, 
25, 4, 3, 30, 35. 
2,61,5,10,80,15,2, 
4,6,10,15,5,6,5, 
5, 1, 5, 15, 6, 40. 
10. 
4, 41, 10. 
8,3. 
35, 33, 3, 5, 8. 
6,5. 
2.5, 10. 
15, 44, 38, 15, 40, 45, 
5, 12, 73, 10, 4. 
15, 8, 3. 
7. 
10, 3, 10, 20. 
8, 10, 10, 2, 10. 
10, 10, 1. 
10. 
1,1,1,3,1,1,1,3. 
50. 
20, 15, 5, 85, 15, 45, 
30, 40, 15, 8, 2, 25, 
50. 
4,81. 
6. 
1, 77, 1, 3, 20, 40, 5, 
10, 4, 30, 48, 10, 4, 
1, 1, 16, 10, 4, 3, 1, 
trace, 10, 7. 
16, 5, 1, 1, trace, 6. 
Trace. 
1, trace, 2, 2, 7,5,10. 
1,6,2,8,1,5. 
88. 
1,20.10. 
70,3,5,6,1,2,79,35. 
75, 25, 35, 10, 20, 20, 
20, 30, 5, 50, 30. 
80, 15, 15, 20, 10, 92, 
20, 10. 20, trace. 
1, 1, 2, 1, 1. 
1. 
Trace, trace. 
Trace. 
65, 75. 
25, 15, 4. 
10, 35, 70, 20, 1, 10, 
25, 5, 50, 5, 6, 
trace. 
2, 31. trace, 4, 15, 1, 
28,' 20, 1, 25, 61, 
10, 29, 2, 4, 00, 8, 
trace, 1, 6, 7, 
trace, trace. 
6. 
10,10.94,7,15,30,3. 
5, 50, 15. 
15. 
70. 
30, 2, 8, 5, 60. 15, 40, 
1,20,35,12,15,5,2. 
Number of stomachs recorded elsewhere in this list. 
