Ei 
Washington. Department of Agriculture: 
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— Journal of Agricultural Research, vol. I, 1913, No. 6; vol. II, 1914, 
No. 1—6; vol. III, 1915, No. 1—5. 
Department of Commerce and Labor (Bureau of 
Standards): 
— Bulletin, vol. 10, No 2—4; — Decennial Index, vol. 1—10. 
— Scientific Papers, No. 213, 230. 
— Special Publication, No 18. 
National Academy of Science: 
— Proceedings, vol. I, 1915, number 1, 2. 
Nautical Almanac Office: 
— The American Ephemeris and Nautical Almanac for 1916. 
Naval Observatory: 
— Annual Report, 1913; 1914. 
Smithsonian Institution: 
— Harriman Alaska Series, vol. XIV, part 1, 2. 
— Smithsonian Miscellaneous Collections, vol. 57, number 13; vol. 61, 
number 15, 18, 21—25; vol. 62, number 2; vol. 63, number 2—5; 
vol. 64, number 1. 
— Publications, 2256. 
U. S. Geological Survey: 
— Annual Report, 34, 1913. 
— Bulletin, No 531, 536, 538, 539, 542, 545, 555. 
— Professional paper, No 76; 85—B; 85—C. 
— Water-Supply and Irrigations Papers, No 295, 302, 303, 319, 320, 
333, 334, 337. 
U.S. National-Museum (Smithsonian Institution): 
— Bulletin, No 50, 84, 86, 87, 89. 
— Contributions from the United States National Herbarium, vol. XVIII, 
part 1, 2, 
— Report on the Progress and Condition for the year 1913. 
Weather Bureau (Department of Agriculture): 
— Monthly Weather Review, vol. 42, No 1, 2, 11, 12. 
— Report, 1912— 1913. ir 
Wien. Allgemeiner österreichischer Apotheker-Verein: 
— Österreichische Jahreshefte für Pharmazie und verwandte Wissens- 
zweige, Heft XV, Jahrgang 1914. 
— Zeitschrift, Jahrgang LXVII, 1914, No 13—52; Jahrgang LXIX, 
1915, No 1—12. 
— Elektrotechnik und Maschinenbau. Jahrgang XXXIL, 1914, Heft 
13—52; Jahrgang XXXII, 1915, Heft 1—12. 
