Washington. Philosophical Society: 
— Bulletin, vol. XV, pp. 133—187. 
Smithsonian Institution: 
— Annual Report, 1908. 
— Miscellaneous Collections (Hodgkins Fund), vol. 51, number 4. 
— Smithsonian Miscellaneous Collections, vol. LIT, No 1872; vol. 53, 
No 1934, 1939; vol. 54, No 1922—1927; vol, 55, No 1920; vol. 56, 
No 1929—1931, 1938, 1935—1937, 1941, 1942, 1945, 1946, 1988; 
vol. 57, No 1940. 
— Publications, 1938. 
U.S. Geological Survey: 
— Annual Report, XXX, 1909. 
— Bulletin, 386, 390, 391, 397, 398, 400, 404-428, 432. 
— Mineral Resources of the United States, 1908, part I, II. 
— Professional paper, No 65, 68. 
— Water-Supply and Irrigations Papers, No 227, 233, 236—239, 241, 
243—252. 
U.S. National-Museum (Smithsonian Institution): 
— Bulletin, No 66, 68, 71, 72. 
— Contributions from the United States National Herbarium, vol. XIII 
part 2—7; vol. XIV, part 1, 2; vol. XV. 
— Proceedings, vol. XXXVII. 
— Report on the Progress and Condition for the year 1909. 
Weather Bureau (Department of Agriculture): 
— Brief list of meteorological text-books and reference books. 
— Monthly Weather Review, vol. XXXVII, No 7—9; vol. XXXVIII, 
No 2—8. 
— Report, 1907—1908; 1908—1909. 
Wien. Allgemeiner Osterreichischer Apotheker-Verein: 
— Zeitschrift, Jahrgang LXIV, 1910, No 12—538; Jahrgang LXV, 1911, 
No 1—11. 
Elektrotechnik und Maschinenbau. Jahrgang XXVIII, 1910, Heft 
12—52; Jahrgang XXIX, 1911, Heft 1—12. 
K. k. Geographische Gesellschaft: 
— Abhandlungen, Band IX, No 1. 
— Mitteilungen, Band 58, 1910, No 2—12; Band 54, 1911, No 1, 2. 
kK. k. Geologische Reichsanstalt: 
— Abhandlungen, Band XX, Heft 3; Band XXI, Heft 2. 
— Geologische Karte der im Reichsrate vertretenen Kénigreiche und 
Lander der 6sterr.-ungar. Monarchie, Lief. 9. 
_— Jahrbuch, Band LX, Jahrgang 1910, Heft 1—3. 
— Verhandlungen, 1909, 15—18; 1910, No 1—16. 
