666 INDEX. 



Page. 



Rayleigh, Lord 94 



Rays, chemical, measurement of 619 



light 93 



Reade, T. Mellard, on age of the earth 249 



on sedimentary rocks 269 



Red clay on ocean floor 317 



Regents, list of x 



proceedings of xi-xviir, 2 



Regents' room, renovation of 8 



Reizwelle, discovered by Professor Bernstein 342 



Religion and science, Rice on 402 



of ancient Central Americans - 553 



Research, experimental, field of, Thompson on 1 19-130 



Secretary's report on . , 8 



Researches, expenditures for xx 



under Smithsonian 4 



Resolutions in memory of Senator Morrill '. ..- xi 



Rhodes, Alonzo, photograph by 455 



Rice, "William North, on scientific thought in nineteenth century 395-402 



Richards, W. A. , on the Petrified Forest 292 



Richardson, Harriet, on isopods 80 



Rieder, H. , researches by 147 



Rilib of Marshall Islands ■- - - - 493 



Rising of land around Hudson Bay 77 



River water, composition of 253, 260 



Rivers, potash of, amount of 273 



Roebling, John H - 30 



Rocks, sedimentary, composition of 250 



Rock salt, dispersion of 69 



Rohl, Carlos, courtesies from 50 



Roman gardens 405 



Rontgen, "W. C, on X-rays 76, 146 



Rontgen radiation, researches in 124 



rays, effect on bacteria 147 



velocity of 147, 202 



wave nature of 147 



Roscoe, Sir Henry, Bunsen memorial lecture by 605-644 



Roscoe, H. E. , chemical researches by 619 



Rose, J. N., botanical researches by 29, 30 



Rotch, A. Lawrence, grant to 9 



researches by 77 



Royal Menagerie of France. 77 



Rubidium, Bunsen's discovery of 623 



Rumf ord, researches by 398 



Ruscheweyh, R. , exchanges with 33 



Russell, Doctor, researches by - 149 



Russell, H. C, oceanic researches by 326 



Russell, H. S. , collection from 30 



S. 



Salaries, Astrophysical Observatory ^i' 



Bureau of Ethnology -'^^" 



luteriiational Exchanges - - - ^^^ 



