526 REPORT OF NATIONAL MUSEUM, 1892. 



J. Elfreth Watkins. The Development of the American Rail and Track, as il- 

 lustrated by the collection in the U. S. National Museum. 



Reprinted, 1892, from the Report of the Smithsonian Institution (1". S. National Museum), 

 1889 (1891). Also reprinted in Engineering, London, beginning with June 10, 1892. 

 J. Elfreth Watkins. Ramsden Dividing Engine. 



Reprinted from the Report of the Smithsonian Institution for the year 1891. 

 .(. Elfreth Watkins. Log of the .Savannah. 



Report of the Smithsonian Institution (U. S. National Museum), 1890 (1891), pp. 611-639. 

 J. Elfreth Watkins. Report on the Section of Transportation and Engineering in 

 the U. S. National Museum, 1889. 



Report of the Smithsonian Institution (U. S. National Museum) 1889 (1891), pp. 293-299. 

 Harris H. Wilder. Die Nasengegend von Menopoma alleghdnieme nnd Am- 

 pkiuma tridactylum nebst Bemerkungen iiber die Morphologic des Humus oph- 

 thalmicus profundus trigemini. 



ZoolJahrb., Abth. Anat., v. ii, May. 1892, pp. 155-176+pls. XII, XIII. 

 George H. Williams. The Nonfeldspathic Intrusive Rocks of Maryland, and the 

 coarse of their alteration. 



American Geologist, vi. July. 1890, No. 1. 



A description of some interesting pyroxenic eruptives collected by Mr. George P. Merrill, 

 near Webster, N. C. 

 Thomas Wilson. (Anthropological notes in the American Naturalist.) 



Proceedings of the International Congress of Anthropology and Prehistoric Archaeology, 

 XXV, No. 295, .Inly. 1891, pp. 675-679 ; No. 296, August, ls:il pp. 764-768; No. 297, September, 

 1891, pp. 840-844; No. 299, November, 1891. pp. 1031-1034. 



Proceedings of Section H (Anthropology) at the American Association for Advancement of 

 Science, held in Washington, D. C, August 17-25, 1891; No. 298, October, 1891, pp. 929-935; 

 No. 299, November, 1891, pp. 1037-1039. 

 Prehistoric Man ol Spy; No. 299. November, 1891, pp. 1034-1037. 

 Thomas Wilson. La Pe'riode Paleolithique dans l'Amerique du Nord. IX. Congres 

 Internationale des Americanistes. Paris, 1890. Ernest Leroux, editeur, Paris, 

 1892, 32 pp., 8vo. 

 Thomas Wilson. Report on the Department of Prehistoric Anthropology in the 

 U. S. National Museum, 1889. 



Report of the Smithsonian Institution (U.S. National Museum), 1889 (1891), pp. 317-339, pis. 



V-XI. 



William S, Yeates and Edward F. Ayres. Plattnerite and its occurrence near 

 Mullan, Idaho. 



Amer.Jovrn. Sei., XLIII, May, 1892. p. 4117. 



A resitm6 of published papers on plattnerite; a description of its occurrence in Idaho; its 

 physical characteristics and blowpipe reactions; an analysis; ;i discussion of its specific grav- 

 ity, with a determination placing it at 8.56, and a discussion of its crystallographic form 

 assigning the mineral to the tetragonal system, are here given. 



