T."L-220. 5]-ackb,irds-.:an'-- 'grain 'crops rn the' E?-^ stern' United States. 



ByE.'li. XaLrr.bach'i' ^"'OT^-:,, oixhe.^l^l^'. (Saper-sedes 'ildlife 

 Re^tea;rc1h' an(4 ';;Bn£g'e:';eVit 'LeafTet' 35—96,' of Moveraber 1937.) 

 Legal status of blackbirds; frightening by shooting 

 or other means; poisoning; avoiding, damage, through changes 

 in ai^ri-cuitural 'practices ., ' ' ' . " ' ".' ";.... 



7/L-221, Treat.^-.ent of oil-soaked birds, dy Frederick C. Lincoln. 

 ■■.2-pv,, July 19^; ■ .'■•■..■. .] /.-.]. . . 



Dirv;ctibns--ior cleaning birds, the wluiViage of which 

 is saturated witl.i oil; general statement : about this hazard; 

 and reference tb the Cil''F6liuticn"Act of, 1^,^24* .- 



'■li-222. Laboratory procedure in TJildliffc:'fbbd'st;4^ies» -Prepared in 

 Division of T.ildlife Research. ll'ppV^ June 1942. (Sup- 

 plements '.ildlife Research and ...anagement. .leaflet; 63-730,^ 

 of January 1936.') ' . ,' " ^, ,-j ■. 



Directions- for analyzing stomach cbntentsy iscats, and 

 f,'. •■ , other matv rials illustrative of rood .^'xibits^; for recording 



. : ■ • the results; and for storing- the examined "material, 



v.a.-223. natural plantings for attracting "-atorfovjl to .:;arsh and other 

 Tfl)ater areas. Prepared in. Division of ', .ildlife ; Resear,c-h.. . 

 .■■ .. 4.p.P.; October- 1942. ■'■(Sup'Tsedes " ildlife .Research and 



Management LeajTet 3S-125, of ^'January 19.39'.) 

 ,; . , . J-. regulation under"- authority b~f' the liigratory Bird 



Treaty Act forbids plantihg-'b'f agricultural crops to attract 

 birds for shooting. There is no bar, howev^^r, to improve- 

 ment. of arenas, by- estcLbiishifig -tr.maneht .stands of marsh 

 •and aquatid plants, ' Suggestions are' 'given 'for, muddy vrnters 



..•■:. .i of fludtuatihg levels, for'- coastal m.arshes. and ponds, .; nd for 

 miscellaneous areas, *'• 



J,'.l.-224..- Bird:^. .as-.a^-. factor i'ri cbhtrollihg instct '■■depredations. By 



Clarence Gottam-'and ^■t''anai'S' i.; .Uhler,'' 6'np., November 19^+2, 

 ,. . . . .■: CSu!pors&des:.''iIdllffe Leaflfet fS-l62,^ of" Ivlay 1940..;) 

 .. . .. ; _ ,-. ,}_■. . E>:po3itron> o.F'the ••general' value. 'Qf 'birds, ,of their i:;ar- 

 ticulaj?- .usefulness- in'i-fei?iihg 'inspect populations at normal 

 levels, and also of their services in severe outbjreaks^^.. . . , 

 ..: . .. : sprae; iristancesv-c^.;'T,\'hich ■are''desc*ri^b'ede ■.-,,''.'"" 



