AbstractsBiology & Animal Science

This paper is the result of about two years of study on that group of insect-catching wasps known as the Larridae. The work done embraces the field observations and collections of three consecutive summers (1910-1912),spent chiefly in the western portion of Kansas; a large amount of laboratory work at the University}and a trip to the U.S.National Museum, and Philadelphia Academy of Sciences, during the winter of 1912 -13.