BIOLOGICAL -581 



58113 Darwin, C. Insectivorous plants. Lond. 1875. 



581138 Lutz, L. Les microorganismes fixateurs d'azote. 



Paris 1904. 



58114 Klebs, G. Willkiirliche Entwickelungsiinderungen bei 

 Pnanzen. Jena 1903. 



58114 Shull, G. H. Stages in the development of Sium cicutae- 

 1583481 folium. (Carnegie Inst. publ.) Wash. 1905. 



58115 Bailey, L. H. Plant-breeding. N. York 1896. 



58115 Darwin, C. Different forms of flowers. Lond. 1877 



581155 Focke, W. O. Die Pflanzen-Mischlinge. Berl. 1881. 



58116 Avebury, Sir J. Lubbock, Lord. British wild flowers 

 in relation to insects. Lond. 1875. 



58116 Darwin, C. Effects of cross and self-fertilisation. 



- Lond. 1876. 



58116 Various contrivances by which orchids are fertilised. 



Lond. 1885. 



58116 Kerner, A. Flowers and their unbidden guests. Trans, 

 from German. Lond. 1878. 



58116 Miiller, H. Fertilisation of flowers. Trans, from Ger- 

 man. Lond. 1883. 



58116 Weitere Beobachtungen iiber Befruchtung der 



Blumen durch Insekten. 3 pts. Berl. 1879-82. 



58116 Sprengel, C. K. Das entdeckte Geheimniss der Natur 

 in Bau und in der Befruchtung der Blumen. 



Berl. 1793. 



58116 Harper, R. A. Sexual reproduction and the organisation 



: 5892 of the nucleus in certain mildews. (Carnegie Inst. 



publ.) Wash. 1905. 



581161 Mottier, D. M. Fecundation in plants. Wash. 1904. 



581164 Chatin, A. De 1'anthere. Paris 1870. 



581164 Primrose. The primrose and Darwinism. Lond. 1902. 



581164 Loew, E. Bliitenbiologische Floristik des mittleren und 



(4) nordlichen Europa. Stuttg. 1894. 



58118 Darwin, C. Movements and habits of climbing plants. 



Lond. 1875. 

 58118 Darwin, C. <Sc F. Power of movement in plants. 



Lond. 1880. 



58118 Ewart, A. J. On the physics and physiology of proto- 

 plasmic streaming in plants. Oxf. 1893. 

 58119 Czapek, F. Biochemie der Pflanzen. Vols. 1- 



Jena 1905- 



97 



