FLOWER POLLINATION 253 



992. Botanical Notes from Bainbridge, Georgia. [Colour-change in the flowers of 



Gossypium album.] Bull. Torrey Bot. CI., New York, xx, 1893, p. 386. 



993. Forbes, Henry O. Fertilisation of Orchids. Nature, London, xvi, 1877, p. 102. 



994. Selective Discrimination of Insects. Op. cit., xvii, 1878, p. 62. 



995. Two Kinds of Stamens with different Functions in the same Flower (Melastoma). 



Op. cit., xxvi, 1882, p. 386. 



996. On the Contrivances for insuring self-fertilization in some tropical Orchids. 



J. Linn. Soc, Bot., London, xxi, 1885, pp. 538-50. 



997. A Naturalist's Wanderings in the Eastern Archipelago from 1878 to 1883. London, 



1885. German Ed. by R. Teuscher, ' Wanderungen eines Naturforschers im 

 Malayischen Archipel von 1878-83.' Jena, 1886. 



998. Forbes, W. A. Fertilisation of Orchids (Anagraecum). Nature, London, viii, 1873, 



p. 121. 



999. Fordham, George. Destruction of Flowers by Birds. Nature, London, xii, 1875, 



P- 783. 



1000. Forel, August. Beitrag zur Kenntnis der Sinnesempfindungen der Insekten. Mitt. 



ent. Ver., Miinchen, ii, 1878, pp. 1-21. 



1001. Zur Lehre vonden Sinnesempfindungen der Insecten. Kosmos, Stuttgart, xiii, 1883, 



pp. 139-43. 



1002. Experiences et remarques critiques sur les sensations des insectes. Recueil Zool., 



Suisse, Genfeve et Bale, iv, 1886-8, pp. 1-50, 145-240. 



1003. Les fourmis pergoivent-elles I'ultra-violet avec leurs yeux ou avec leur peau ? Arch. 



Sci. Phys., Geneve, Ser. 3, xvi, 1886, pp. 346-50- 



1004. La vision de I'ultra-violet par les fourmis. Rev. sci., Paris, xvi, 1886. 



1005. Forsberg. t)ber die Geschlechterverteilung bei Juniperus communis. Bot. Cen- 



tralbl., Cassel, xxxiii, l888, p. 91. 

 Forster, Thomas, See under Allen, Grant. 



1006. Fournier, E. Fecondation dans les Phanerogames. Paris, 1863. 



1007. Fowler,Carroll. Californian Bees of the genus Nomada. [Nomada civilis Cress., 



N. lepida Cress., and N. melliventris Cress, on Ranunculus californicus and 

 Brassica campestris : N. obliqua sp. nov., N. obscura sp. nov., and N. bisignata 

 Say on Ranunculus californicus : N. rubra Prov. on Eschscholtzia califomica 

 and Medicago sativa.] Ent. News Acad. Nat. Sci., Amer. Ent. Soc, 

 Philadelphia (Pa.), x, 1899, pp. 157-62. 



1008. Fox, William J. Synopsis of the United States species of the hymenopterous 



genus Centris Fabr., with description of a new species from Trinidad. [Visits 

 to Parkinsonia Torreyana and CevaUia sinuata.] Proc. Acad. Nat. Sci., Phila- 

 delphia (Pa.), li, 1899, pp. 63-70. 

 See also under Cockerell, T. D. A. 



1009. Franehet, A. Mutisiaceae japonicae. [Spring and autumn forms of Gerbera 



Anandria.] Mem. Boissier, Geneve, No. 14, 1900. Ab.: Bot. Centralbl., Cassel, 

 Ixxxvii, 1901, pp. 319-20. 



1010. Francke, Alfr. Einige Beitrage zur Kenntnis der Bestaubungseinrichtungen der 



Pflanzen. Inaug. Dissertation (Freiburg i. B.), Halle, 1883. 



1011. Frank, C. A. Untersuchungen iiber die Farben der Bliiten. Tiibingen, 1825. 



1012. Freda, A. Alcune osservazioni su di una infiorescenza femminea di Dasylirion 



glaucum Ziicc.BoW. Soc. bot. ital., Firenze, 1896, pp. I35-4I- 



1013. Fredrikson, T. Nigra biologiska foreteelser vid blomningen hos Geranium vi- 



scidulum Fr. Bot. Not., Lund, 1894, pp. 89-92. 



1014. French, R. C. Insects caught by Apocynum. Bot. Gaz., Chicago (111.), viii, 1883, 



pp. 171-2. 



1015. Frey, H. Die Lepidopteren der Schweiz. Leipzig, 1880. 



