AX ESTIMATE OF DARWIN, 479 



This was preceded by a sketch, entitled " On tlie Variation of Or- 

 ganic Beings in a State of Nature ; " published in the Journal of the 

 Linncean Society, vol. iii. (Zoology), 1859, p. 46. 



The Variation of Plants and Animals under Domestication. 2 

 vols. 1868. 



The Descent of Man, and Selection in relation to Sex. 2 vols. 

 1871. 



The Expression of the Emotions in Man and Animals. 1872. 



ZOOLOGICAL WORKS. 



The Zoology of the Voyage of H. M. S. Beagle, edited and superin- 

 tended by C. Darwin, 1840 ; consisting of five parts. 



A 3Ionograph of the Cirripedia, Part l,Lepadid8e; Pay Society, 

 1851, pp. 400. 



A Monograj^li of the Cirripedia, Part 2, the Balanidse ; Ray Socie- 

 ty, 1854, pp. 684. 



A Monograph of the Fossil Lepadidie ; Pal. Society, 1851, pp. 86. 



A Monograph of the Fossil Balanidse and Verrucidae ; Pal. Society, 

 1854, pp. 44. 



Observations on the Structure of the Genus Sagitta; Annals of 

 Natural History, vol. xiii., 1844. 



Brief Descriptions of Several Terrestrial Phanariae, and of Some 

 Marine Species; Annals of Natural History, vol. xiv\, 1844, p. 241. 



BOTANICAL WORKS. 



On the Various Contrivances by which British and Foreign Or- 

 chids are fertilized, 1862. 



On the Movements and Habits of Climbing Plants ; Journal Lin- 

 nsean Society, vol. ix., 1865 (Botany), p. 1. — This paper has also been 

 published as a separate work. 



On the Action of Sea-water on the Germination of Seeds ; Journal 

 Linnoean Society, vol. i., 1857 (Botany), p. 130. 



On the Agency of Bees in the Fertilization of Papilionaceous 

 Flowers ; Annals Natural History, vol. ii., 1858, p. 459. 



On the Two Forms or Dimorphic Condition of the Species of 

 Primula; Journal Linna^an Society, vol. vi., 1862 (Botany), p. 77. 



On the Existence of Two Forms and their Reciprocal Sexual Rela- 

 tions in the Genus Linum ; Journal Linnaan Society, vol. vii., 1863 

 (Botany), p. 69. 



On the Sexual Relations of the Three Forms of Lythrum ; Journal 

 Linnsean Society, vol. viii., 1864, p. 169. 



On the Character and Hybrid-like Nature of the Illegitimate Off- 

 spring of Dimorphic and Trimorphic Plants ; Journal Linnsean Socie- 

 ty, vol. X., 1867 (Botany), p. 393. 



On the Specific Difference between Primula veris and P. vulgaris, 



