The Bird-killing Cat. 



The destruction of birds by cats is illustrated in Economic Biology, Bulletin No. 2, published 



by the Massachusetts State Board of Agriculture. (Photograph by William L. Finley.) 



TiiK .S.NAPi'iNU Turtle. 

 Destroyer of young waterfowl and wading birds. (See page 244.) (Photograph by Professor 



H. A. Surface.) 



