174 bulletin: museum of comparative zoology. 



Ramsey, A. C. 



On the occm-rence of angular, subangular, polished, and striated fragments 

 and boulders in the Permian breccia of Shropshire, Worcestershire, &c.; 

 and on the probable existence of glaciers and icebergs in the Permian 

 epoch. Quart, joum. Geol. soc. London, 1855, 11, p. 185-205. 

 Russell, I. C. 



Glaciers of Xorth America. Boston. 1901. 

 Salisbury, R. D. 

 Agencies which transport materials on the earth's surface. Joum. geol., 



1895, 3, p. 70-97. 

 See Chamberlin, T. C. and SaUsbury, R. D. 

 Sargent, R. H. 



See Wilhs, Bailey, Blackwelder, EHot, and Sargent, R. H. 

 Sayles, R. W., and LaForge, Laurence. 



The glacial origin of the Roxbmy conglomerate. Science, 1910, new ser., 

 32, p. 723-724. 

 Shaler, N. S. 



[Note on the geological section at Chestnut Hill Reservoir, Mass.]. Proc. 



Bost. soc. nat. hist., 1869, 13, p. 172-177. 

 Note on the geological relations of Boston and Narragansett Bays. Proc. 



Bost. soc. nat. hi.st., 1875, 17, p. 488-490. 

 On the geologj' of the Cambrian district of Bristol County, Massachusetts. 

 BuU. M. C. Z., 1888, 16, p. 13-26, map. 

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



Geology of the Narragansett Basin. U. S. G. S. Monograph, 1899, 33. 

 Stone, G. H. 



On the scratched and facetted stones of the Salt Range, India. Geol. mag., 



1889, Dec. 3, 6, p. 415-425. 

 The glacial gravels of Maine and their associated deposits. U. S. G. S. 

 Monograph, 1899, 34. 

 TafE, Joseph A. 

 Ice-borne boulder deposits in mid-Carboniferous marine shells. Bull. 

 Geol. soc. Amer., 1910, 20, p. 701-702. 

 Waagen, Wilhelm. 



Mittheilung eines Briefes von Herrn A. Derby iiber Spuren einer carbonen 

 Eiszeit in Siidamerika. Neues jahrb., 1888, 2, p. 172-176. 

 White, C. D. 



Carboniferous glaciation in the southern and eastern hemispheres, with 

 some notes on the Glossopteris-flora. Amer. geol., 1889, 3, p. 299-330. 

 Wilkinson, C. S. 



Note on the occurrence of remarkable boulders in the Hawkesbury rocks. 

 Journ. and proc. Royal soc. N. S. W., 1880, 13, p. 105-108. 

 Williams, G. H. 



The distribution of ancient volcanic rocks along the eastern border of North 

 America. Journ. geol., 1894, 2, p. 1-31. 



