118 
Utrecht. Koninklijk Nederlandsch Meteorologisch Instituut: 
— — Monthly meteorological data for ten-degree squares in the Atlantic 
and Indian Oceans, No 107. 
— — Onweders, optische verschijnselen enz. in Nederland in 1912, 
deel XXXII. 
— — Seismische Registrierungen in de Bilt, 1. 
— Physiologisch Laboratorium der Utrecht'sche Hoogeschool: 
— — ÖOnderzoekingen, reeks 5, deel XV. 
— Provinciaal Utrechtsch Genootschap van Kunsten en 
Wetenschappen: 
— — Aanteekeningen van het verhandelde in de sectie-vergaderingen, 1915. 
— — Verslag van het verhandelde in de algemeene vergadering, 1915. 
Washington. Carnegie Institution: 
— — Communications to the National Academy of Sciences, No 1—16. 
— — Contributions from the Solar Observatory Mt. Wilson, California, 
No 93 — 107. 
— Department of Agriculture: 
— — Journal of Agricultural Research, vol. III, No 6; vol. IV, No 1—6; 
vol. V, No 1—20. 
— Department of Commerce and Labor (Bureau of 
Standards): 
.— — Bulletin, vol. 11, No 1—4. 
— National Academy of Science: 
— — Proceedings, vol. I, 1915, number 3, 4 6-11; vol. II, 1916, 
number 1, 2. 
— Smithsonian Institution: 
— — Smithsonian Miscellaneous Collections, vol. 62, number 3; vol. 63, 
number 8-10; vol. 64, number 2; vol. 65, number 1, 2, 4—8. 
— — Publications, 2359. 
— Weather Bureau (Department of Agriculture): 
— — Monthly Weather Review, vol. 43, No 1— 12; supplement No 2. 
Wien. Allgemeiner österreichischer, Apotheker-Verein: 
— — Zeitschrift, Jahrgang LXIX, 1915, No 13—52; Jahrgang LXX, 1916, 
No 1-14. 
— Elektrotechnik und Maschinenbau. Jahrgang 33, 1915, Heft 
13-52; Jahrgang 34, 1916, Heft 1— 14. ; 
— K.k. Geographische Gesellschaft: 
— — Mitteilungen, Band 58, 1915, No 3—12; Band 59, 1916, No 1, 2. 
