Williams, Francis Xavier2011-11-232011-11-231913https://hdl.handle.net/1808/8532This 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 -13.134 pagesen-USThis work is in the public domain according to U.S. copyright law and is available for users to copy, use, and redistribute in part or in whole. No known restrictions apply to the work.ThesisopenAccess