Description |
Including: ?The Relationship of Novamexicana to the Other Members of the Virilis Group? by J.T. Patterson and Wilson S. Stone, ?Additional Tests Within the Quinaria Species-Group of Drosophila? by Johanna Blumel, ?Note on Gene Variability in Natural Populations of Drosophila? by Mary L. Alexander. University of Texas Publication No. 4920, October 15, 1949. Stamp from Norman H. Giles. First separate edition. Offprint. Original wrappers. * |