346 
Psyche 
[Vol. 88 
Dudley, W. R. 
1886. The Cayuga flora. Bull. Cornell Univ. (Science) 2:1-132. 
Eickwort, G. C. and H. S. Ginsberg 
1980. Foraging and mating behavior in Apoidea. Ann. Rev. Entomol. 25:421- 
446. 
Farrar, C. L. 
1944. Productive management of honeybee colonies in the northern states. 
USDA circ. No. 702. 28 pp. 
Ferguson, R. H. and C. E. Mayer 
1970. The timber resources of New York. USDA Forest Service Resource 
Bull. NE-20, 193 pp. 
Fernald, M. L. 
1950. Gray’s Manual of Botany. 8th ed. New York: D. Van Nostrand. 1632 pp. 
Ginsberg, H. S. 
1979. Foraging ecology of pollen utilizing insects on an old field in central New 
York State. Ph.D. Thesis, Cornell Univ. Ithaca, N.Y. 221 pp. 
Hurlbert, S. H. 
1970. Flower number, flowering time, and reproductive isolation among ten 
species of Solidago (Compositae). Bull. Torrey Bot. Club 97:189-195. 
Linsley, E. G. 
1958. The ecology of solitary bees. Hilgardia 27:543-599. 
Mitchell, T. B. 
1962. Bees of the eastern United States, Vol. II. N. Carolina Agr. Exp. Sta., 
Tech. Bull. No. 152. 557 pp. 
Morse, R. A. 
1975. Bees and Beekeeping. Ithaca, N.Y.: Cornell Univ. Press. 295 pp. 
Pearson, J. F. W. 
1933. Studies on the ecological relations of bees in the Chicago region. Ecol. 
Monogr. 3:375-441. 
Pechuman, L. L. 
1967. Observations on the behavior of the bee Anthidium manicatum (L.). J. 
N. Y. Entomol. Soc. 2:68-73. 
PURSH, F. 
1923. Journal of a botanical excursion in the northeastern parts of the states of 
Pennsylvania and New York during the year 1807. Dehler Press. 1 13 pp. 
Ruttner, F. 
1975. Races of bees. In Dadant and sons (eds.) The Hive and the Honeybee. 
Hamilton, 111.: Dadant and sons, pp. 19-38. 
Sakagami, S. F. 
1959. Some interspecific relations between Japanese and European honeybees. 
J. Animal Ecol. 28:51-68. 
Vaughan, L. M. 
1929. Abandoned farm areas in New York. Cornell Univ. Agr. Exp. Stat. Bull. 
490:1-285. 
WlEGAND, K. M. AND A. J. EAMES 
1925. The flora of the Cayuga Lake Basin. Cornell Univ. Agr. Exp. Sta. Mem. 
92:1-491. 
