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. S28, a.nd 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 Intell., vol. vnii., i860, p. 103. 



Note on the Acheniaof Pumilio ArgyroUpis. 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 /'n- 



wM^i, and on their Remarkable Sexual Relations. Linn. Sac. Journ., 



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



On the Three Remarkable Sexual Forms of Catasetum iridentatum, 

 an Orchid in the Possession of the Linnaean 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 Z/««/w. Linn. Soc. Journ., 

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



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

 [1864.] Linn. Soc. Journ., viii., 1865 (Botany), pp. 169-I96. 



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 (Botany), 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. 393-437. 



