CONTENTS. Xlll 



Chapter XI. — Checks upon the Increase of Useful Birds — Con. pase 

 Feathered Enemies— Con. 



The House Sparrow 370 



Shrikes • . 370 



Other Bird Enemies, 371 



Reptilian Enemies, 371 



Fish 371 



Chapter XII. — The Protection of Birds 372 



Methods of attracting Birds 373 



Feeding and Assembling the Winter Birds, . . . . 377 



Attracting the Summer Birds, 384 



Providing Nesting Places about Buildings, ..... 386 



Bird Houses and Nesting Boxes, ....... 388 



Furnishing Nesting Material, 398 



Feeding the Summer Birds, 399 



Attracting "Water-fowl, ......... 402 



The Protection of Birds against their Natural Enemies, .... 403 



The Protection of Farm Products from Birds 410 



To protect Grain from Crows and Other Birds 411 



To protect Small Fruits, 412 



To protect Chickens from Hawks and Crows, ..... 412 



General Protective Measures 413 



Game Protection 414 



Measures and Legislation necessary for the Protection of Game and 



Birds 415 



Artificial Propagation of Game Birds 417 



The Movement for Bird Protection, 418 



Papers on Ornithology, published by the Massachusetts State Board of 



Agriculture, 421 



Index, 423 



