DARWIN MEMORIAL. 99 



1863. Observation sur l'heteromorphisme des fleurs, et des consequences pour 

 la fecondation. 

 Ann. Sci. Nat., XIX, 1863, (Botany,) pp. 204-255. 

 1863. On the thickness of the Pampean formation near Buenos Ayres. 



Journ. Geol. Soc, XIX, 18G3, pp. 08-71. 

 1863. On the existence of two forms, and on their reciprocal sexual relation, 

 in several species of the genus Linum. 

 Journ. Linn. Soc, VII, 1803, (Botany,) pp. 09-83. 



1863. On the so-called "Auditory Sac" of Cirripedes. 



Nat. Hist. Review, 1863, pp. 115-116. 



1864. On the Sexual Relations of the Three Forms of Lythrum. 



Journ. Linn. Soc. Vol. VIII, 18G4, p. 109. 



1867. On the Character and Hybrid-like Nature of the Illegitimate Offspring 

 of Dimorphic and Trimorphic Plants. 

 Jour. Linn. Soc, Vol. X, 1867, (Bot.,) p. 393. 



1867. On the specific difference between Primula veris and P. vulgaris; and on 

 the Hybrid Nature of the Common Oxslip. 

 Jour. Linn. Soc, Vol. X, 1867, (Uotany,) p. 437. 



1867. Queries about Expression for Anthropological Inquiry. 



Report, Smithsonian Institution, 1867, p. 324. 



1868. The Variation of Animals and Plants under Domestication. 2 vols., 8vo. 



London, 1868. 



1869. Notes on the Fertilization of Orchids. 



Ann. and Mag. of Nat. Hist., 4th series, IV, 1869, pp. 141-159. 



1870. Note on the Habits of the Pampas Woodpecker (Colaples campestris.) 



Proc Zool. Soc, London, 1870, pp. 705, 700. 



1 87 1. The Descent of Man, and Selection in relation to Sex. 2 vols., i6mo. 



London, I 871. 



1872. The Expression of the Emotions in Man and Animals. l2mo. London, 



1872. 



1874. Flowers of the Primrose destroyed by Birds. 



Nature, X, 1874, pp. 24, 25. 



1875. Insectivorous Plants. 8vo. London, 1875. 



1876. Effects of Cross and Self- Fertilization in the Animal Kingdom. 

 1876. Movements and Habits of Climbing Plants. 8vo. London, 1876. 



1876. Sexual Selection in relation to Monkeys. 



Nature, XV, 1870, pp. 18, 19. 



1877. The Different Forms of Flowers on Plants of the same Species. 8vo. 



London, 1877. 



