98 BIOLOGICAL SOCIETY OF WASHINGTON. 



1851. A Monograph of the Fossil Lepadidas, or Pedunculated Cirripedes of 

 Great Britain. London. Printed for the Paleontographical Society, 

 1851. 4to. 



1851. A Monograph of the Sub-Class Cirripedia, with Figures of All the Spe 

 cies. The Lepadidse; or, Pedunculated Cirripedes. London, printed 

 for the Ray Society, 1851. 8vo. 



1851. Analogy of the Structure of some Volcanic Rocks with that of Glaciers. 

 Edinburgh Proc. Roy. Soc., II, 1851, pp. 17-18. 



1854. A Monograph on the Fossil Balanidse and Verrucidae of Great Britain. 

 London, printed for the Paleontographical Society, 1854. 4to. 



1854. A Monograph of the sub-Class Cirripedia, with Figures of All the Spe 



cies. The Balanidse, (or Sessile Cirripedes); the Verrucidee, etc., 

 etc., etc. Printed for the Ray Society, 1854. 8vo. 



1855. On the power of icebergs to make rectilinear uniformly-directed grooves 



across a sub-marine undulatory surface. 

 Phil. Mag., X, 1855, pp. 96-98. 



1857. On the action of Sea-water on the germination of Seeds. 



Journ Linn. Soc., I, 1857, (Botany,) pp. 130-14' >. 



1858. On the Agency of Bees in the Fertilization of Papilionaceous Flowers, 



and on the crossing of Kidney Beans. 



Gardeners' Chronicle, Nov. 13, 1858: Ann. and Mag. of Nat. Hist., 3d series, 

 1858, pp. 459-465. 



1858. Darwin, Charles and Wallace, Alfred. On the Tendency of Species to 



Form Varieties, and on the Perpetuation of Varieties and Species by 

 Natural Means of Selection. 



Journal Proc. Linn. Soc., London, III, 1858, pp. 45-62. 



1859. On the variation of organic beings in a state of nature; on the natural 



means of selection; on the comparison of domestic races and true 

 species. 



Journ. Linn. Soc., Ill, (Zoology,) 1859, pp. 46-53 : Halle. Zeitsch. Gesell. Nat., 

 XVI, I860, pp. 425-459. 



1859. On the Origin of Species by Means of Natural Selection, or the Preserva 

 tion of Favoured Races in the Struggle for Life. 8vo. London, 

 1859. 



1862. On the Two Forms, or Dimorphic Condition, in the species of Primula, 

 and on their remarkable Sexual Relations. 

 Journ. Linn. Soc., VI, 1862, (Botany) pp. 151-157. 



1862. On the three remarkable sexual forms of Catasetum tridentatum, an 

 Orchid in the possession of the Linnean Society. 

 Journ. Linn. Soc., 1862, (Botany,) pp. 151-157. 



1862. On the Various Contrivances by which British and Foreign Orchids are 

 Fertilized by Insects. 8vo. London, 1862. 



