Appendix, 269 



sisting of a portion of a chapter entitled, On the Variation of Or- 

 ganic Beings in a State of Nature ; on the Natural Means of Selection ; 

 on the Comparison of Domestic Races and true Species, (ii.) Ab- 

 stract of a Letter from C. Darwin, Esq., to Professor Asa Gray, of 

 Boston, U. S., dated Sept. 5, 1857. 



On the Agency of Bees in the Fertilisation of Papilionaceous Flow- 

 ers, and on the Crossing of Kidney Beans. Gardeners' Chronicle. 

 1858, p. 828, and Ann. Nat. Hist., 3d series, ii., 1858, pp. 459-465. 

 Do the Tineina or Other Small Moths Suck Flowers, and if so what 

 Flowers? Entom. Weekly Intel!., vol. viii., 1860, p. 103. 



Note on the Achenia of Pumilio Argyrolepis. Gardeners' Chronicle, 

 Jan. 5, 1861, p. 4. 



Fertilisation of Vincas. Gardeners' Chronicle, pp. 552, 831, 832, 1861. 

 On the Two Forms, or Dimorphic Condition, in the Species of Pri- 

 mula, and on their Remarkable Sexual Relations. Linn. Soc. Journ., 

 vi., 1862 (Botany), pp. 77-96. 



On the Three Remarkable Sexual Forms of Catasetum tridentatum , 

 an Orchid in the Possession of the Linnsean Society. Linn. Soc. 

 Journ., vi., 1862 (Botany), pp. 151-157. 



Yellow Rain. Gardeners Chronicle, July 18, 1863, p. 675. 



On the Thickness of the Pampean Formation near Buenos Ayres, 

 Geol. Soc. Journ., xix., 1863, pp. 68-71. 



On the So-called " Auditory-sac " of Cirripedes. Nat. Hist. Review, 

 1863, pp. 115-116. 



A Review of Mr. Bates' Paper on Mimetic Butterflies. Nat. Hist. 

 Review, 1863, p. 221 . [Not signed.] 



On the Existence of Two Forms, and on their Reciprocal Sexual 

 Relation, in Several Species of the Genus Linum. Linn. Soc. Journ.. 

 vii., 1864 (Botany), pp. 69-83. 



On the Sexual Relations of the Three Forms of Lythrum salicaria. 

 [1864.] Linn. Soc. Journ., viii., 1865 (Botany), pp. 169-196. 



On the Movement and Habits of Climbing Plants. [1865.] Linn. 

 Soc. Journ., ix., 1867 (Botany), pp. 1-118. 



Note on the Common Broom (Cytisus scoparius). [1866.] Linn. 

 Soc. Journ., ix., 1867 (Botanv), p. 358. 



Notes on the Fertilisation of Orchids. Ann. and Mag. Nat. 

 Hist., 4th series, iv., 1869, pp. 141-159. 



On the Character and Hybrid-like Nature of the Offspring from 

 the Illegitimate Unions of Dimorphic and Trimorphic Plants. 

 [1868.] Linn. Soc. Journ.. x., 1869 (Botany), pp. 393--137. 



