172 bulletin: museum of comparative zoology. 



Crosby, W. O. and Barton, G. H. 



Extension of the Carboniferous formation in Massachusetts. Amer. journ. 

 sci., 1880, ser. 3, 20, p. 416-420. 

 Dale, T. N. 



A contribution to the geology of Rhode Island. Proc. Bost. soc. nat. hist., 

 1883, 22, p. 179-201, pi. 1-3. 

 David, T. W. E. 



Evidences of glacial action in Australia in Permo-Carboniferous time. 

 Quart, jour. Geol. soc. London, 1896, 52, p. 289-301, pi. 12. 

 Davis, W. M. 

 Causes of Permo-Carboniferous glaciation. Journ. geol., 1908, 16, p. 79-82. 

 A journey across Turkestan. Carnegie inst. Publ., 1905, 26, p. 21-120. 

 Dodge, W. W. 



Notes on the geology of eastern Massachusetts. Proc. Bost. soc. nat. hist., 

 1875, 17, p. 388-419. 

 Du Pasquier, Leon. 



See Penck, A., Bruckner, E., and Du Pasquier, L. 

 Emerson, B. K. 



On the Triassic of Massachusetts. Bull. Geol. soc. Amer., 1891, 2, p. 451- 

 456, pi. 17. 

 Emmons, S. F, 



Review of the geological literature of the South African Republic. Journ. 

 geol., 1896, 4, p. 1-22. 

 Fairchild, H. L. 



Beach structure in Medina sandstone. Amer. geol., 1901, 28, p. 9-14, 

 pi. 2-6. 

 Foerste, A. F. 



The paleontological horizon of the limestone at Nahaut, Mass. Proc. 



Bost. soc. nat. hist., 1889, 24, p. 261-263. 

 See Shaler, N. S., Woodworth, J. B., and Foerste, A. F. 

 Geikie, Archibald. 



Text book of geology. Ed. 4, 2 vols., London, 1903. 

 Geikie, James. 



The great ice age. Ed. 3, New York, 1895. 

 Gilbert, G. K. 



Lake Bonneville. U. S. G. S. Monograph, 1890, 1. 

 Green, A. H. 

 A contribution to the geology and physical geography of the Cape Colony. 

 Quart, journ. Geol. soc, London, 1888, 44, p. 239-269. 

 Halle, T. G. 



On the geological structure and history of the Falkland Islands. Bull. Geol. 

 inst. Univ. Upsala, 1912, 11, p. 115-229. 

 Hayes, C. W. 



An expedition through the Yukon District. Nat. geog. mag., 1892, 4, 

 p. 117-162, pi. 18-20. 



