The content is available as a PDF (2.0 MB).
†
Contribution number 936 from the Department of Entomology, University of Kansas, Lawrence. Some of the work by one of the authors (C. D. M.) was done at the Universidade do Paraná, Curitiba, Brazil.
Literature Cited
- Hurd, P. D. , and Michener D C. D.. 1955. The Megachiline bees of California. Bull. Calif. Insect Survey, 3: 1–247. [Google Scholar]
- Mayr, E. , Linsley E. G., and Usinger R. L.. 1953. Methods and Principles of Systematic Zoology. McGraw‐Hill, New York. [Google Scholar]
- Michener, C. D. 1941. A generic revision of the American Osmiinae with descriptive notes on Old World genera (Hymenoptera, Megachilidae). Amer. Midland Nat., 26: 147–176. [Google Scholar]
- Michener, C. D. 1949a. Parallelisms in the evolution of the saturniid moths. Evolution, 3: 129–141. [Google Scholar]
- Michener, C. D. 1949b. Records and descriptions of American megachilid bees (Hymenoptera). Jour. Kansas Ent. Soc., 22: 41–59. [Google Scholar]
- Michener, C. D. 1953. Life history studies in insect systematics. Systematic Zoology, 2: 112–118. [Google Scholar]
- Olson, E. C. , and Miller R. L.. 1951. A mathematical model applied to a study of the evolution of species. Evolution, 5: 325–338. [Google Scholar]
- Sokal, R. R. 1957. Quantification of systematic relationships and of phylogenetic trends, Proc. Tenth Internat. Congr. Ent., in press.
- Sokal, R. R. , and Michener C. D.. 1957. A statistical method for evaluating systematic relationships, Univ. Kansas Sci. Bull., in press. [Google Scholar]
- Sturtevant, A. H. 1942. The classification of the genus Drosophila with descriptions of nine new species. Univ. Texas Publ., 4213: 1–51. [Google Scholar]
- Tryon, R. C. 1939. Cluster Analysis. Edwards Bros; Ann Arbor, Mich. [Google Scholar]