Systematic Entomology (Continued) 



Trichopter.v Herbert H. Ross 538 



Lepidoptera William T. M. Forhes 540 



CoLEOPTERA Melville H. Hatch 555 



Strepsiptera R. M. Bohart 566 



Ant Taxonomy W. L. Brown, Jr. 569 



The Aculeate Wasps Paul D. Hurd, Jr. 573 



The Apoidea Charles D. Michener 575 



Diptera Charles P. Alexander 578 



SiPHONAPTERA George P. Holland 585 



Fossil Insects F. M. Carpenter 588 



Herpetology Karl P. Schmidt 591 



Ornithology Charles G. Sibley 629 



Mammalogy in North America W.J. Hamilton, Jr. 661 



Invertebrate Paleontology and Historical Geology from 1850 to 1950 



Charles E. Weaver 689 



Plant Geography Ronald Good 747 



Animal Geography Karl P. Schmidt 767 



The Conservation op Wildlife A. Starker J^eopold 795 



