i:n^x:)E:x. 



A. 



Page. 



Abbe, Cleveland, mechanics of the atmosphere 69 



Acts of Congress. (See Congressional acts.) 



Adler, Dr. Cyrns, appointed librarian 9 



report on library 67 



Aerodynamics, correspoinlence on 18 



experiments in by S. P. Langley 6, 69 



Lilienthal on 189, 195 



iEsthology, summary of progress in 622 



^tber, the Inminiferons, Stokes on 113 



Afghanistan, explorations in 404 



mountains of 273 



Africa, early Portuguese voyages to -west coast of 355 



migrations of men in 570 



need of further explorations in 401 



Ptolemy's geography of 414 



recent explorations in 400 



African pigmies, Stuhlmann on 614 



Agassiz, on glacial effects 277 



Agassiz, Alexander, deep-sea deposits from 547 



on Antarctic exploration 369 



Agassiz, Louis, deep-sea explorations by 545 



Age of the earth, by Clarence King 335 



Agricnltural Department, exchanges transmitted 48 



Air and life, Henry de Varigny on 521 



(See also Atmosphere and atmosiiheric air.) 



and water, relations of, to temperature and life 265 



animal and vegetable particles in 543 



as influenced by mountain ranges 272 



as the sum total of all life 544 



atmospheric, composition of 521 



liquefied and frozen 187 



compressed, effects on animate life 540 



condensed, hnman beings ctmiposed of 544 



currents, or trade winds 266 



currents in Asia 270 



dry, effects on animate life 54,2 



disease germs in 543 



effect of gravity on 131 



electrilied steam in , 209 



instrument for testing dust in 226 



waves, photographs of 177 



Airy, Sir George, on lunar surveys 416 



729 



