ILLUSTRATIONS. 
( PLATES. 
Page. 
Prate I. Cardinal and gray grosbeaks_____-____-___-______-_--__- Frontispiece 
II. Seeds and fruits eaten by grosbeaks________-_----_----------- 10 
Ill. Black-headed and rose-breasted grosbeaks_____--------------- 34 
LY. Blue: grosbeai ks ne es sees 78 
TEXT FIGURES. 
Fic. 1. Seeds of smartweed ______________--_-__-_--------------------- 1. 
2. Seeds of cockspur grass_.____..._....--.__-----------~------- 12 
3. seeds of blue Vervain.2-s22 -2-cescseesee bo seteiosie ec eceewee 12 
4. Seeds: OF TIbStass vik kt ste oa eter ae tte ey 12 
B. Seeds of corn eromwell...i2..c-cc cn cek econo weswe nee 13 
Go PeRGS OF PAWEE «nc cc ck cocoa eee deena dacemees 13 
Go Caterpillar ‘nunter ee. sok ee Se Oe IS 14 
8. Bollworm or corn-ear worm_____-__-__-_-- --------e 16 
9. (COtton Cute wOrnk < 220 2 oe ee eee ee Heke es 16 
10. Zebra. Caterpillat 32 sca ese es cue eee een ete 17 
ee ath cp ae ees herpes dd eran pinta nin ey fallen ate 17 
aR ata ae ah eee aera oaks Derleth ae athe) esto amatnten teed eardee! 19 
I eI a aac a cecmpma cas a ea Slt DO RD ll ea Sees 19 
14: ROS@-b0CUG =. 622-2255 - 5-25 sencecouceseu tenet ote ene eee, 20 
15. A. flower eating scarabieid nn occ te re ee ee 20 
EG, TsO GU Si ea ran DTN Be a a a ah hn ast aaa pati 21 
17. Seeds of yellow foxtail________________________ ee 29 
18. Seeds of rough tumbleweed__ ~_____________________ ee 29 
19). Cotton, boll, ‘weevil 2-s2.2-2=25 seredeee esse scee sees see cess 30 
20. Cotton: “WOPTnt. 22s 3606 oes eos ee eee ee 31 
21. Seeds of black bindweed______----_.-------------------------- 41 
22, Pines DUPPRESTIO 2s ones Scouse cc ostac ee beecescnteoesceecentecu 44 
23. Seed corn scarabeid ___-_._-_--_--_-----_--_-----_--_---+---- 45 
24. ‘Plum “Curculo:..w 22-2) eee ete ee eee Sie eee 46 
Se OIAG TiC iis. oe wae deme canoe See sda Goemeae 47 
26, Spotted. eucuniber-beetle..... .o..2 2 cnewweceee eee scesemensueoeess 49 
Oi al BAO ie os RG ee Lees eae camennenbeuees 51 
280 ATM y WOrmts- 25-222 2ossseucens see seesk ees eo Al eeceseeee ees 51 
29. Orchard tent-caterpillar______________--_-___--_--_._-___-u_-- 52 
20.) GIPSY MNO th x5. ae ee ee eres eet eee eee 52 
ol, Browietail,. MOth a 226225 sees ee se teak Ga euss see ae eee See 5 
32; Buitalo tiéecshopper 222245 3526 ee te she ee 54 
38. Australian ladybird__________________-_--_._-.--__-_--__------ 69 
ear Codling moth 2 <5. - tse Seones pote esse eee = shee eee 72 
85. Spring cankerworm____-_-__-----._----_------_--.------------ 13 
BO: BING OMVORCH Ooo - oo cess seen eee See eases ees ete 3 
of. Seeds. of green foxtat). .22..2 223202 22sec ete e sees weeees 81 
38. Purslane caterpillar__-.-_.---.----------- Abe Sob eee ewes 82 
39. Lesser-migatory locust: .-02.22—-wsesee ahs wane a Seeee cee hein 83 
40.. Goral-winged locust 2222-2242 2seseen2eeews seedesese aes cess 84 
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