570 THE AGE OF MAMMALS 



Dall. W. H. 



'91 Age of the Peace Creek Bone Beds of Florida. 



Acad. Xat. Sci. Phila. Proc, 1891, p. 121. 

 '98 A Table of the North American Tertiary Horizons, Correlated with 



One Another and with those of Western Europe. 



U.S. G(^oL Sure, 18th Ann. Kept., 189(3-1897. 

 '03 Geological Results of the Study of the Tertiary Fauna of Florida. 



Trans. Wagner Free Inst. Sci. Phila., Vol, III, Pt. G, 1903, pp. 



1549-1550. 



Dall, W. H., and Harris, G. D. 



'92 Correlation Papers. The Neocene of North America. 

 U.S. Geol. Surv. Bull. No. 84, 1892. 



Dana, J. D. 



'94 Manual of Geology. 4th ed., New York, 1894. 



Darton. N. H. 



'05 Preliminary Report on the Geology and Underground Water Re- 

 sources of the Central Great Plains. 

 U.S. Geol. Surv., Prof. Paper, No. 32, 1905. 



Darwin, C. 



'45 Journal of Researches into the Natural History of the Countries 



visited during the Voyage of H. M. S. Beagle. (1845.) New ed., 



New York and London, 1909. 

 '59 On the Origin of Species by Means of Natural Selection, or the 



Preservation of Favoured Races in the Struggle for Life. 6th ed., 



London, 1878 (publ. in 1859). 

 '71 The Descent of Man, and Selection in Relation to Sex (1871). 



2d ed., revised and augmented. New York, 1909. 



Darwin, F. (ed.) 



'88 The Life and Letters of Charles Darwin, including an Autobio- 

 graphical Chapter. 3 vols., London, 1888. 



Davis, W. M. 



'00 The Freshwater Tertiary Formations of the Rocky Mountain 



Region. 



Proc. Amer. Acad. Arts, Sci., Vol. XXXV, No. 17, March, 1900. 

 Dawkins, W. Boyd. 



"66 The British Pleistocene Mammalia. 



Palceont. Soc. London, 1866-1872. 

 '68 On the Dentition of Rhinoceros etruscus Falc. 



Quart. Jour. Geol. Soc, Vol. XXIV, 1868, pp. 207-218. 

 '68 The Former Range of the Reindeer in Europe. 



Popular Science Review, Vol. VIT, 1868. 

 79 On the Range of the Mammoth in Space and Time. 



Quart. Jour. Geol. Soc, Feb., 1879. 



