AUTHORITIES CONSULTED 219 



Campbell, Douglas. Evolution of Plants. 1902. 



Carpenter, P. H. Catalogue of Blastoidea. B.M. 1886 (pars.). 



Morphology of Cystidea. J.L.S. 1894. 

 Case, E. C. Revision of the Pelycosauria of North America. 1907. 



A Great Permian Delta. P.S.M. December, 1908. 



Revision of Amphibia. Z.T.P. 1902. 

 Chamberlin, T. C. (University of Chicago), and Salisbury, R. D. 



(University of Chicago). Geology. 1906. 

 Clarke, J. M. Part-collaborator, Crustacea. Z.T.P. 1900. 

 Claus, C. Text-book of Zoology, trans, by Adam Sedgwick. Vol. I, 



4th ed., 1892. Vol. II, 1897. 

 Cooke, A. H. Molluscs. C.N.H. 1895. 

 Cope, E. D. Primary Factors of Organic Evolution. 1896. 



Condylarthra, Amblypoda, Creodonta. A.N. 1884. 



Vertebrata of the Tertiary Formations of the West. U.S.G.S. 



1884. 

 Crick, G. C. Belemnites. P.M.S. 1896, 1907. 



Dall, W. H. Collaborator, Pelecypoda. Z.T.P. 1900. 

 Dana, J. D. Manual of Geology. 4th ed., 1895. 

 Darwin, Charles. Origin of Species (first published 1859). 



Descent of Man (first published 1871). 

 Davidson, T. British Fossil Brachiopoda. R.P.S. 1851-86. 



Recent Brachiopoda. J.L.S. 1886-8. 

 Dawkins, W. Boyd. Early Man in Britain. 1880. Cave-Hunting. 



1874. 



Dawson, Sir J. W. Geological History of Plants. 1888. 

 Dendy, A. Origin of Vertebrates. P.L.S. October, 1910. 

 Deperet, C. Transformations of the Animal World. 1909. 

 de Vries, Hugo. Die Mutationstheorie. Leipzig. 1902. 



Species and Varieties. Their Origin by Mutation. 1895. 

 Dubois, E. Pithecanthropus erectus. Batavia. 1894. 

 Duckworth, W. L. H. Morphology and Anthropology. 1904. 



Eastman, Charles R. (Harvard College, U.S.A.). Translator and 

 Editor Zittel's Text-book of Palaeontology (Vol. I, Inverte- 

 brates, 1900. Vol. II, Fishes, Amphibians, Reptiles, Birds, 

 1902. Vol. Ill not yet published). 



