534 APPENDIX II. 



The Structure and Distribution of Coral Reefs. Being the First 

 Part of the Geology of the Voyage of the ' Beagle.' 8vo. Lon- 

 don, 1842. 



The Structure and Distribution of Coral Reefs. 2nd edition. 8vo. 

 London, 1874. 



Geological Observations on the Volcanic Islands, visited during the 

 Voyage of H.M.S. * Beagle.' Being the Second Part of the Geol- 

 ogy of the Voyage of the ' Beagle.' 8vo. London, 1844. 



Geological Observations on South America. Being the Third Part 

 of the Geology of the Voyage of the 'Beagle.' 8vo. London, 

 1846. 



Geological Observations on the Volcanic Islands and parts of South 

 America visited during the Voyage of H.M.S. 'Beagle.' 2nd edi- 

 tion. 8vo. London, 1876. 



A Monograph of the Fossil Lepadidas ; or, Pedunculated Cirripedes 

 of Great Britain. 4to. London, 1851. (Palseontographical So- 

 ciety.) 



A Monograph of the Sub-class Cirripedia, with Figures of all the 

 Species. The Lepadidse ; or, Pedunculated Cirripedes. 8vo. 

 London, 1 85 1. (Ray Society.) 



The Balanidas (or Sessile Cirripedes) ; the Verrucidas, &c. 8vo. 



London, 1854. (Ray Society.) 



A Monograph of the Fossil Balanidse and Verrucidas of Great Brit- 

 ain. 4to. London, 1854. (Palseontographical Society.) 



On the Origin of Species by means of Natural Selection, or the 

 Preservation of Favoured Races in the Struggle for Life. 8vo. 

 London, 1859. (Dated Oct. 1st, 1859, published Nov. 24, 

 1859.) 



Fifth thousand. 8vo. London, i860. 



Third edition, with additions and corrections. (Seventh thou- 

 sand.) 8vo. London, 1 861. (Dated March, 186 1.) 



Fourth edition, with additions and corrections. (Eighth thou- 

 sand.) 8vo. London, 1866. (Dated June, 1866.) 



Fifth edition, with additions and corrections. (Tenth thou- 

 sand.) 8vo. London, 1869. (Dated May, 1869.) 



Sixth edition, with additions and corrections to 1872. (Twenty- 

 fourth thousand.) 8vo. London, 1882. (Dated Jan., 1872.) 



On the various contrivances by which Orchids are fertilised by In- 

 sects. 8vo. London, 1862. 



Second edition. 8vo. London, 1877. [In the second edition the 



word " On " is omitted from the title.] 



