— 50 — 



Danvoi, Oh. Л1(>п> loUcrs. Vol. I, II. Lomldii, |'.)()3, in S'. 



Harwin, Ch. Tlio l'oundations оГ the oritriii of species. Oambridgc, 

 1909, ill 8". 



Jiifo and letters of Cli. jiarwiu, Vol. 1, 11, ill, Luinloii, Iböö, in 8". 



Darwin, Fr. Observations on Stoniata. liOudon, 1898, in 4°. 



— On till! JiOcalisalions of (îco-porct'ptioii in llic Cotylodou of Sorghum. 

 Cambridge, 1908, in 8". 



— Addres to the Biological section of tiu' IJritiscii association. (lani- 

 hrigde, 1891, in 8». 



Address by Francis Darwin. Dublin, 1908, in 8". 



— On the Protrusion of Protoplasmic Filaments from the Uhmdnlar 

 Hairs ou the Leaves of the Commou Teasel. 1 PI. in 8". 



— The statolith-theory of Geotropism. 1903, in 8^ 



— Address to the Botanical Section. Cambridge. 1904, in 8**. 

 On the Ascent of Water in Trees. London, 1896, in 8®. 



— Etiolation as a phenomenon of adaptation in plants. London, 1896, 



in 8". 



— On a self-recording method applied to the movements of stomata, 

 Chicago, 1904, in 4^ 



— On a method of studying Geotropism. Cambridge, 1888, in 8". 



— On the Growth of the Fruit of Cucurbita, in 8". 



— On Geotropism and the Localization of the Sansitive Region, in 8"- 

 Darwin, Fr. und Pertz, F. M. Notes ou the statolith theory of geo- 

 tropism. I. Experiments on the effects of centrifugal force. II. The beha- 

 viour of tertiary roots, in 8. 



— On the effect of water currents on the assimilation ot aquatic plants, 

 in 8". 



— On Rectipctality and on modification of the Klinostat. Cambridge, 

 in 8". 



— On the artifical Production of Rhythm in Plauts. 1903, iu 8''. 

 Darwin, Fr. and Acton. Physiology of Plants. Cambridge, 1901, in 8". 

 Catalogue of the Library of Ch. Darwin now in the Botany School, 



Cambridge. Cambridge, 1908, in 8^ 



A Naturalist Calendar kept by Leonard Blomefield, Edited by Fr. Darwin. 

 Cambridge. 1903, in 8^ 



The Darwin— Wallace celebration by the Liunean Society of Loudon, 

 London, 1908, iu 8^ 



Founder's Day — 1909. The Carnegie Institute Pittsburgh— Peuusylvauia. 

 Pittsburgh, 1909, in 8^ 



