454 ENTOMOLOGY 



Cheshire, F. R. 1886. Bees and Bee-keeping. 2 vols. Vol. I, 7 -f 336 

 pp., 71 figs., 8 pis. ; vol. 2, 652 pp., 127 figs., i pi. London. L. 

 Upcott Gill. 



Forbes, S. A. 1886. Studies on the Contagious Diseases of Insects. Bull. 

 111. St. Lab. Nat. Hist, vol. 2, pp. 257-321. i pi. 



Thaxter, R. 1888. The Entomophthoreae of the United States. Mem. 

 Bost. Soc. Nat. Hist., vol. 4. pp. 133-201, pis. 14-21. 



Robertson, C. 1889-99. Flowers and Insects. I-XIX. Bot. Gaz., vols. 

 14-22, 25, 28. 



Seitz, A. 1890, 1893, 1894. Allgemeine Biologic der Schmetterlinge. 

 Zool. Jahrb., Abth. Syst, etc., bd. 5, pp. 281-343; bd. 7, pp. 131- 

 186, 823-851.* 



Eckstein, K. 1891. Pflanzengallen und Gallentiere 88 pp., 4 taf. Leip- 

 zig. R. Freese. 



Robertson, C. 1891-96. Flowers and Insects. Trans. Acad. Sc., St. 

 Louis, vols. 5-7. 



Cooke, M. C. 1892. Vegetable Wasps and Plant Worms. 5 -f 364 pp., 4 

 pis., 51 figs. London. 



Riley, C. V. 1892. Some Interrelations of Plants and Insects. Proc. 

 Biol. Soc. Wash., vol. 7, pp. 81-104, figs. 1-15. 



Riley, C. V. 1892. The Yucca Moth and Yucca Pollination. Third Ann. 

 Rept. Mo. Bot. Garden, pp. 99-158, pis. 34-43. 



Moller, A. 1893. Die Pilzgarten einiger sudamericanischer Ameisen. 

 Bot. Mitt, aus den Tropen, heft 6. 7 -f- 127 pp., 7 taf., 4 figs. 

 Jena. G. Fischer. 



Trelease, W. 1893. Further Studies of Yuccas and their Pollination. 

 Fourth Ann. Rept. Mo. Bot. Garden, pp. 181-226, pis. 1-23. 



Adler, H., and Straton, C. R. 1894. Alternating Generations. A Biolo- 

 gical Study of Oak Galls and Gall Flies. 40 -}- 198 pp., 3 pis. 

 Oxford. Clarendon Press.* 



Webster, F. M. 1894. Vegetal Parasitism among Insects. Journ. Colum- 

 bus Hort. Soc., pp. 1-19, pis. 3-5, figs, i, 2. 



Heim, F. L. 1898. The Biologic Relations between Plants and Ants. 

 Ann. Rept. Smiths. Inst. 1896, pp. 411-455, pis. 17-22. Trans, 

 from Compt. rend. 24me Sess. Ass. fr. 1'av. Sc. 1895, pp. 31-75. 



Schimper, A. F. W. 1898. Pflanzen-Geographie auf physiologischer 

 Grundlage. 18 + 876 pp., 502 figs., 5 plates, 4 maps. Jena. G. 

 Fischer. (See pp. 147-170.)* Trans: 1903. W. R. Fisher. 

 Plant-Geography upon a Physiological Basis. 30 -f- 839 pp., 502 

 figs., 4 maps. Oxford, Clarendon Press. - (See pp. 126-156.)* 



Benton, F. 1899. The Honey Bee: A Manual of Instruction in Apicul- 

 ture. Bull. U. S. Dept. Agric., Div. Ent., no. i (n. s.), pp. 1-118, 

 pis. i-n, figs. 1-76.* 



Needham, J. G. 1900. The Fruiting of the Blue Flag (Iris versicolor L.). 

 Amer. Nat., vol. 34, pp. 361-386, pi. i, figs. 1-4. 



Gibson, W. H. 1901. Blossom Hosts and Insect Guests. 19 + 197 pp., 

 figs. New York. Newson & Co. 



