1. The classification of the genus Drosophila, with descriptions of nine new species
By: by A.H. Sturtevant.  2. New species in the Quinaria group of the subgenus Drosophila, by Warren P. Spencer.  3. Description of new species of the subgenera Hirtodrosophila and Drosophila, by J.T. Patterson and Marshall R. Wheeler.
Contributors: Patterson, John Thomas, 1878-1960; Spencer, Warren P.; Wheeler, Marshall R.
Series: University of Texas Publication, No. 4213
Publisher: Univ. of Texas
Published: 1942
Place of publication: Austin
Language: eng
Number of pages: 109
Subjects: Drosophila