548 INDEX 
‘ Page 
TRpehwoyoyotae se MiG iA fee ek Cees See ee ee ee ee ee ee 145 
Ravenel, W. de C., administrative assistant to the secretary_______- x11, 19, 48 
Rays of cosmic origin, High frequency (Millikan) ~--_---------------- 193 
Redfield: Mdward«Ws2422- 224-303 ives. Beh) eee es ae 50 
Redwood, Mrs. Mary Buchanan (Mrs. Francis T. Redwood) —~-------_-__- 56 
Reed, DreSsrAlberts22 52 ast ea a a ears er re ee ee 40 
Rezents#ot thew institution, “Board ol. Sma ee ee Og G! 
annual ‘meeting, December 10; 1925 2-22 eee Snes 143 
Priya) Oop eh rye set NH OY ae ee eee or ie Sete eee 143 
executivellcommitteesi reportiswiscd ai teeta gt ce Bee 137 
permanent..committesc,,. report... a el OE 144 
TE 1200 GG LT 2 ee 143 
Fe ae ee eee eee eee a eee ee See a ee ee ee ee 49 
Ree AIS Ora a en oe errs 6, 187, 1389 
Researches;and: explorations —- 94 ee ee 8 
Resser}Dr. Charles, Wiss. 2 22 ete eee ee oe Seen ee ee 44 
Reynolds Georsey: Mee ce 6 
TRU GCS ee ek eee eee eee 6, 187, 189 
Rhoades, Katherine Nash, associate, Free Gallery of Art___.._-__-_-__-- x11, 62 
Rhododendrons and other acid-soil plants, The effect of aluminum sul- 
phatevon. (Coville) ie eee nN pees a Oh ae ee ee ese es 369 
Richmond)-oDrucCharles UW. 2222220 a oe 8 ee ee ey XU 
Ridgeway. -Dr,.-Robertio.-3 5240 See ee A ae XII 
RAN Cy 5 yi ee ee 125 
Ritter; MeMemiay 5 Gc Oe SON a aa a Oe ee 6 
Roeketanvestigation, Goddard. es frees eee EE ea 139 
Roebling, dohnitAsoe sere oo eee pe Le te 6, 30, 108, 110, 111, 117, 147 
fund; solar-researcht. 2028 es oe ee ee ee 139 
Roebling +Col} Washington. A) 2 Se ene ee 6, 23, 38 
mineralefund =e eee eS Naess 139 
TRON Wer Si Asien te eet ee ee 125 
Rose Dpad Nae ee oe ei ne ee a XII 
FRO SC 1i GEG A TB re eas a ha 53 
RubensiSboratiovSi. Ocul 9) seis urchins gato tet aa ties tY itd ie eae 56 
Rudaux, Lucien (Excursions on the planets),.-.—.4 = a ee ee 185 
Ruedemann Hore Rud olbo2 se a od ee eee eel 6 
Russell. -Bowlande.. oe, a EE eeepc ie eel Fea hol Rpg 104 
RUSt:'Cos s Bia ok Ss iy oe oer res bes Pua oe cree) gee ie | ene hs aes heh eee eek eee q 
Ss 
Safford, W. E. (Our heritage from the American Indians) --_-_______-___ 405 
SS TROT VETS WW a eo te ah NL Ene ke ee 76 
Santord shims GeO re ey Rt ese ee nee sags ce ee a ee a a Ei ecto ere 6, 187, 189 
Sargent, John G., Attorney General (member of the Institution) —~________ xe 
Sebias? Tn Wall lieu ns ee es eae ee ee 23, 37, 60, 125 
Selrinelas Marg! {Gis Uipssisg pw he ag igh el le 2 i 92 
Sohmi ib, Wr Jeo Fea ray ree eg a a 47 
Sehmitt, Dr: Waldo Tos.) ots ate peeen ke ee xu, 5, 11, 28, 37, 41, 42, 91 
Sehuehert; Dr, Charles S22 222202 2 Se ee ee ee 6 
