136 



ANNUAL REPORTS, SMITHSONIAN INSTITUTION 



Northwest Passage — Continued 



To the North Magnetic Pole and 

 through the Northwest Passage, by 

 Roald Amundsen. 1906: 249-273 

 Norway 



Statistics relative to Norwegian moun- 

 tains, lakes, and the snow-line, by F. 

 W. Seward. 1866: 435-455 

 NRays 



N rays of M. Blondlot, by C. G. Abbot. 

 1903:207-214 

 Nuclear energy 



Development of nuclear power for 

 peaceful purposes, by Henry D. 

 Smyth. 1955: 189-202 

 Nuclear physics 

 Aspects of nuclear physics of possible 

 interest in biological work, by L. A. 

 DuBridge. 1938: 227-239 

 Nuclear fission, by Karl K. Darrow. 

 1940: 155-159 

 Null, James M., Aboriginal structures in 

 Carroll County, Tennessee. 1882: 

 768-769 

 Number systems 

 Primitive number systems, by Levi L. 

 Conant. 1892: 583-594 

 Nutrition 



Nutritional requirements of man, by 



C. A. Elvehjem. 1942: 289-298 

 Place of proteins in the diet in the light 

 of the newer knowledge of nutrition, 

 by H. H. Mitchell. 1923: 223-232 

 Nuttall, Zelia, Gardens of ancient Mex- 

 ico. 1923: 453-464 

 Nutter, Frank H., Mounds on Gideon's 

 Farm, near Excelsior, Hennepin 

 County, Minn. 1879: 422-427 

 Nutting, Charles C, Antiquities from 

 Ometepe, Nicaragua. 1883: 908- 

 918 

 Oakley, Kenneth, Tools makyth man. 



1958: 431-455 

 Oaks 



Cork oak in the United States, by Vic- 

 tor A. Ryan and Giles B. Cooke. 

 x 94 8 : 355-376 



Ober, F. A., Ornithological exploration 

 of the Caribbee Islands. 1878: 446- 



451 



Oberholser, Harry C, Glimpses of desert 



bird life in the Great Basin. 19 19: 



355-366 

 Oberhummer, E., Sinai problem. 19 12: 



669-677 

 Obermaier, Hugues, Quaternary human 



remains in central Europe. 1906: 



373-397 

 O'Brien, Brian, Biological effects of solar 



radiation. 1943: 109-134 

 Observatories 



Astronomical observatory at Cordoba, 



Argentine Republic, by B. A. Gould. 



1873: 265-281 

 Description of the magnetic observa- 

 tory at the Smithsonian Institution, 



by J. E. Hilgard. 1859: 385-395 

 Description of the observatory at St. 



Martin, Isle Jesus, Canada East. 



1856:311-319 

 Dorpat and Poulkova, by Cleveland 



Abbe. 1867: 370-390 

 List of astronomical observatories, by 



George H. Boehmer. 1885: 457- 



470 

 Meteorological observatories, by Rich- 

 ard Inwards. 1896: 149-166 

 Mont Blanc Observatory. 1893: 259- 



263 

 Pekin Observatory, 1900: 185-186 

 Physical observatory, by Joseph Henry. 



1870: 141-144 

 Report on astronomical observatories, 



by George H. Boehmer, 1886: 367- 



483 

 Rumford spectroheliograph of the 



Yerkes Observatory, by George E. 



Hale and Ferdinand Ellerman. 



1904: 131-162 

 Southern observatory, by Agnes M. 



Clerke. 1891: 1 15-126 

 Ocean currents 



Ocean current called "The Child," by 



Eliot G. Mears. 1943: 245-251 



