58o PRINCIPLES OF STRATIGRAPHY 



30. LOOMIS, F. B. 1909. Turtles from the Upper Harrison Beds. Nebraska 



Miocenic. American Journal of Science, 4th series,Vol. XXVIII, pp. 17-26. 



31. MATTHEW, W. D. 1899. Is the White River Tertiary an Eolian 



Formation? American Naturalist, Vol. XXXIII, pp. 403-409. 



32. McCONNELL, R. G. 1903. Report on the Great Landslide at Frank, 



Alberta, 1903. Annual Report of the Geological Survey of Canada, 

 Vol. XV, p. 34aa. 



33. McGEE, W. J. 1891. The Pleistocene History of North Eastern Iowa. 



Annual Report of the United States Geological Survey, Vol. XI, part I, 



pp. 191-257- 



34. MILLER, W. J. 1910. Origin of the Color in the Vernon Shales. BuUetm 



of the New York State Museum of Natural History, 140. 6th Report 

 of Director for 1909, pp. 150-156. 



35. PALGRA VE, W. G. 1 865. Narrative of a Year's Journey through Central 



and Eastern Arabia, Vol. I. 



36. PASSARGE, S. 1904. Die Kalahari. Berlin. 



37. PENCK, ALBRECHT. 1894. Morphologic der Erdoberflache, Vol. II., 



Stuttgart. 



38. POOL, RAYMOND J. 1913. Glimpses of the Great American Desert. 



Popular Science Monthly, Vol. LXXX, pp. 209-235. 



39. PRZHEVALSKY, N. M. (Prjevalsky). 1883. Dritte Reise durch central 



Asien. 



40. PUMPELLY, RAPHAEL W. 1879. Relation of Secular Rock Disinte- 



gration to Loess, and Glacial Drift and Rock Basins. American Journal 

 of Science, 3rd series. Vol. XVII, pp. 133-144. 



41. PUMPELLY, R. W. 1908. The Physiography of Central Asian Deserts 



and Oases. Carnegie Institute, Publication 73, Vol. II, pp. 243-387. 

 Washington. 



42. RICHTHOFEN, FERDINAND VON. 1877. China, Vol. I. 



43. ROGERS, A.W.,and SCHWARTZ, E. H. L. 1898. Transactions of the 



South African Philosophical Society, Vol. X, pp. 427-436, pi. X. 



44. RUETSCHI, G. 191 1. Vorlangige Mittheilungen liber die Veranderungen 



des Unterseebeckens (Bodensee) durch das Erdbeben von 16 November, 

 191 1. Jahresberichten und Mittheilungen des oberrheinischen geo- 

 logischen Vereins, N. F., Bd. II, Heft i, pp. 108-118. 



45. SHERZER, W. H., and GRABAU, A. W. 1909. The Sylvania Sandstone, 



Its Distribution, Nature and Origin, Michigan Geological and Bio- 

 logical Survey, Geological Series i, pp. 61-86, pis. II-VII, and text figures. 

 •46. SHIMEK, B. 1904. Loess Papers. The Loess of Natchez, Miss. The 

 Loess and the Lansing Man. The Lansing Deposit Not Loess. Loess and 

 the lowan Drift. Evidences (?) of Water- Deposition of Loess. Bulletin 

 from the Laboratories of Natural History of the State University of 

 Iowa, Vol. V, No. 4, pp. 298-381. 



47. SINCLAIR, W. J. 1906. Volcanic Ash in the Bridger Beds of Wyoming. 



Bulletin of the American Museum of Natural History, Vol. XXII, 

 pp. 273-280. 



48. SOKOLOW, N. A. 1894. Die Diinen, Bildung, Entwickelung und Innerer 



Bau. Deutsche vom Verfasser Erganzte Ausgabe von Andreas Arzreni. 

 Berlin. 



49. STAMM, K. 191 1. Schuttbewegungen. Geologische Rundschau, Bd. 



II, pp. 167-177. 



50. STUNTZ, S. C, and FREE, E. E. 191 1. Bibliography of Eohan Geology. 



United States Department of Agriculture, Bureau of Soils, Bulletin 68. 



