FLOWER POLLINATION 339 



birds. Op. cit., xxviii, 1899, pp. 27-45. — A-b. : Bot. Centralbl., Cassel, Ixxxv, 

 1901, pp. 297-304 ; Justs bot. Jahresber., Leipzig, xxvii, (1899) 1901, pp. 462-4. 

 2978. Flower ecology. [Review of Knuth's Handbuch der Bliitenbiologie, II.] Op. 

 cit., xxviii, 1899, PP- 432-4- 

 *^979. Flower visits of oligotropic bees. Op. cit., xxviii, 1899, p. 215. — Ab. : Bot. 

 Centralbl., Cassel, Ixxxv, 1901, p. 304; Justs bot. Jahresber., Leipzig, xxvii, 

 (1899) I90l,p. 464. 

 *■ 2980. Another note on the flower visits of oligotropic bees. Op. cit., xxx, 1900, p. 130. 

 "^2981. Flower visits of oligotropic bees. Op. cit., xxxii, 1901, pp. 367-8. 

 2982. Robineau-BeBvoidy, A. J. B. Sur I'usage reel des antennes chez les insectes. 



Ann. soc. ent., Paris, xi, 1842, pp. xxiii-xxvii. 

 2988. Hobinsohn, Isak. tJber die Drehung von Staubgefassen in den zygomorphen 

 Bliiten einiger Pflanzengruppen und deren biologische Bedeutung. Ost. Bot. 

 Zs., Wien, xlvi, 1896, pp. 393-401. 



2984. Robinson, A. G. Blue ridge blossoms. Plant World, Washington (D.C.), 1898, 



pp. 130-1, 145-7. 



2985. Robinson, B. L. Two undescribed species of Apodanthes. Bot. Gaz., Chicago 



(111.), xvi, 1891, pp. 82-4. 



2986. A new species of Apios from Kentucky. Op. cit., xxv, 1898, pp. 450-3. 



2987. An apetalous form of Arenaria groenlandica. Rhodora, Boston (Mass.), i, 



1899, p. 90. 



2988. Robinson, "Wirt. A Trip after Papilio homerus. [Visits of the following Sphingidae 



to the flowers of Nicotiana Tabacum in Jamaica — Diludia brontes, Cocytius 

 duponchelii, Phlegetonthius cingulata, Dilophonota cingulata, Anceryx alope, 

 Eusmerinthus jamaicensis, Pachylia ficus, Dupo vitis, Argeus labruscae, 

 Theretra tersa, and Deilephila lineata.] Ent. News Acad. Nat. Sci., Amer. 

 Ent. Soc, Philadelphia (Pa.), xiv, 1903, pp. 17-21. 

 See also under MaoDonald, D. 



2989. Roda, Marcellino. Gli amori delle piante. Atti Soc. filotec, Torino, iv, 1882. 

 2990..R6der, J. Untersuchungen iiber die Farbenverhaltnisse in den Bliiten der Flora 



Frankreichs. Tiibingen, 1833. 

 299L Rogenhofer, A. Die Befruchtung der Blumen durch Insekten und das Festhalten 

 der letzteren durch sogenannte Klemmkorper. SitzBer. Zool. Bot. Ges., Wien, 

 xl, 1890, pp. 67-8. — Ab. : Justs bot. Jahresber., Leipzig, xviii, (1890) 1892, p. 510. 



2992. Rogers, J. B. Immediate influence ofpoUen on fertilized plants. Trans. Amer. Pomol. 



Soc, Los Angeles, 1884. — Ab. : Gard. Chron., London, New Ser., xxii, 1884, 

 P- 336. 



2993. Rohrbach, Paul. tJber den BlUtenbau und die Befruchtung von Epipogium 



Gmelini. (Gekronte Preisschrift.) Gottingen, 1866.— Ab.: Bot. Ztg., Leipzig, 

 xxiv, 1866, p. 71. 



2994. Monographie der Gattung Silene. Leipzig, 1868. 



2995. Rolfe, A. Flowers and insects. Gard. Chron., London, New Sen, xxv, 1886, p. 297. 



2996. Fertilisation without pollen. Op. cit., Ser. 3, viii, 1890, p. 361.— Ab. : Justs bot. 



Jahresber., Leipzig, xix, (1891) 1894, p. 428. 



2997. On the sexual Forms of Catasetum with special reference to the Researches of 



Darwin and others. J. Linn. Soc, Bot., London, xxvii, 1890, pp. 206-25. — 

 Ab. : Justs bot. Jahresber., Leipzig, xx, (1892) 1894, p. 498. 



2998. Romanes, Q. J. Darwin and after Darwin. III. Post- Darwinian Questions. 



Isolation and physiological Selection. London, 1897. German Ed. by B. 

 Noldeke. Leipzig, 1897. 



2999. Rompel, Jos. Zur Bestaubung der Bliite von Victoria regia Lindl. Natur u. 



Offenb., MUnster, xlvi, 1900, pp. 449-57. 



