APPENDIX IV. ;^41 



188'J. Sladi:. Iujsiia. Food of llic .\(.'stIJnii,s of 'I'urdus lui- 

 gralorius. American NaturaUsi, vol. xvi., page 1007. 



Animal food — insects in all stages of development — later 

 broods, all kinds of fniits lirowini; in the warden. 



188*^. Stearns, \\. E. C. Wild Geese as Pests. Aincrimn Xalu- 

 ralist, vol. xvi., page 32G. 



Pull up the young wheat in the grain-fields of the Upper 

 San Joaquin Valley, California, 



1882. WiiFJATON, J. M. Report on the Birds of Ohio, (leologi- 

 eal Survey of Ohio, vol. iv., pages 187-628. 



An elaborate report, with many references to economic rela- 

 tions. First published separately in 1879. 



1883. Forbes, S. A. The Food Relations of the Carabidge and 

 the Coccinellidae. Bulletin Illinois State Laboratory Xat- 

 ural History, vol. i.. No. 6, pages 33-6-1:. 



Record of studies with reference to food of ground-beetles and 

 lady-beetles, and their relations to birds. 



1883. Forbes, S. A. The Regulative Action of Birds upon In- 

 sect Oscillations. Bulletin Illinois State Laboratory Nat- 

 ural History, vol. i.. No. 6, pages 3-32. 



Results of investigation of food of birds in an orchard in- 

 fested with canker-worms. 



1883. Forbes, S. A. Birds in Relation to Agriculture. Stod- 

 dard's Encyclopedia Americana, vol. i., pages 131-134. 



A short discussion. 



1883. Slade, Elisiia. Kingbirds Feeding their Young upon 

 Fruits. American Naturalist, vol. xvii., page 88T. 



The parents fed their young on fruit of lioneysuckle. and 

 when nestlings were able to fly they were conducted to bush 

 and persisted until the plant was stripped. 



