420 INDEX 
Page 
Richardson Capt; HoldensCs2ece. 4 =. sects = eee een ee on em eee ree 118 
RiddellyicranciswAse. jose ee eeten sen eee ees ee een eee eee 64, 69, 70 
RiddelibiartysS: Jt 224 s=sS==52 seed e eee en eee ee aa see eee ee , 20 
Ripley tose wOillome: «<2 2k 222 eee ected ee see ee eee ed awe ee eee ee 22 
IRiVerbasin: SURVEYS -ace=ceee ooee ea en aks ae ee Renee ak eee ee ee viii, 11, 61 
Roberts, Frank H. H., Jr., Associate Director, Bureau of American Eth- 
nology, and Director, River Basin Surveys_.-.-.----.------- vili, 11, 55, 63 
Robinsoniieljdbis~ eee wee ete ees eee ee Sates bees eee ee eee 76 
ReOeHline wd OHNWAL i. oo ee oe ee ee eee eee eee 6 
OS OTS by Gre a eee ete ee eed eel erbss wk ese eet en ne eee: aE vii 
INO Wely NS wAPE == tee ee eee ne eee eee ecko oes Be Eee eee vi 
Ronne, Commander Finn (Ronne Antarctic research expedition, 1946-48)_ 369 
ROWE) .OlT MEO. 2 LRyROLs oe GENT RSS eee) ub a Ae ee 60 
WR Gas (ble eee ee eee ee ee See ee LS vii 
ARTTSSE ll cae WO WTASGIN Cle as lp ne ee ee vi 
S 
Saltonstall, Leverett (regent of the Institution)_.____..___________-____ v, 6 
Sawyer, Charles, Secretary of Commerce (member of the Institution) ____ Vv 
Sayre, A. N. (Ground- -water investigations in the United States)_________ 219 
Schallen Wily oeeestee eee cecece ete tee eee UE ee vii 
Schmitt, Wisidosbisn ssa eee eee ae ee eee vi 
Scholander, eta gel eel oe ee ee Oe ee ee ene Oe re Eee 14, 127 
Schraden Brany. je Sek en eee ee 127 
pebraderssalhyMuches*. 3. LOR lat. Pe a eee ee. Cee ee 127 
Schultz plieconard Wee ae ee eee ee eee ee ee ee ee vi 
Schumacher wh aGecec ose see eee eee ies er) sere vill 
SchwarcZ Poenjamins aL eels ee le a a es ee ee See vi 
Sciences hestate ot (Karl Cl. Compton) 2.4540 2222) Geese eae 395 
Searles iVirs pElancietymicharasOn. os. 2 onton oer ee Re vi 
Secretary of Agriculture (Charles F. Brannon, member of the Institution) __ Vv 
Secretary of Commerce (Charles' Sawyer, member of the Institution) _____ Mu 
Secretary of Defense (Louis Johnson, member of the Institution) it Gees 
Secretary of the Institution (Alexander Wetmore) -_-___- NW walt, he (oy, IL, P45}. 128 
Secretary of the Interior (Julius A. Krug, member of the Institution) ____ yi 
Secretary of Labor (Maurice Tobin, member of the Institution)________- 
Secretary of State (George C. Marshall, member of the Institution)_-_ v, viii, 25 
Secretary of the Treasury (John W. Snyder, member of the Institution) -- 
viil, 25, 26 
Setzler phrankOMaiy er! Jee. SOTO Tee eed MOL Bie eee vi, 21 
Setzerghlenhys Woe acoso eee er re er ee vi, 22 
SeyMour Charles. Rsv. see te eee EEE EOE ae ee ee 34, 35 
Shalkop, Roberts... -.u cee eeee tee Beet ee eee Set eee 80 
Shapley Meri Roce eee ee REESE ee A eS 35 
NS eaves MEG Tern aS pepe eee, A pn oe 117 
Shepard. Donald WD. 2 eee eee ee ee ee ee ee ee 25 
Shih-hsiano-: Wangs aqcuco. == ee ee a ee ee eee 24 
Shiner! oe liye Ae 8 Sa ee Sn Se oe eee 
Shippeerde Wie kee er ee ee Se SB Rhea Tie ra ae eS Doe ee eee 42, 03; uy 
Shoemaker (C) Re 22s 2s ei ee sal ee a eee eee vi 
Sirlouis, J. a A a Lae sa Lea tal COIS keira Shee vii 
Smith, IN Oia thew rae ban are ee BE De ay Ue ERO Re Coe vii 
Smith-"Carlyle'S2s2 225/252 58ers = fates Oe eee ee eee 84 
Smith, Danae oe a BE apes Sie el a a ea Oa NI ae ee See vii, 22 
Smithsonian Art: Commission... ae 6, 10, 41 
Snyder, John W., Secretary of the Treasury (member of the Institution)_ v, viii, 26 
Soil science, Modern (CharlesshKelloce) ana se ass saa ae ee 227 
Solecki, Ralph PS Fe eR, NP 8 IR PE A SIR 15) 9 De Se eet ane ec ncn Pee Se See 63, 64 
Soper, OV CR Tati Cs ona iether Diente inept iocredninier tN Beilin sig 7 > 14, 127 
South American Botanical Congress, Second_..........----------=---- 22 
Speicher lucene By. 24 6c ce ec eee ee oe eee eee ee ee 7, 41 
Spencer Jones) iri arold Lao oe aoe ee Le ee Se te 9 
(The determination of precise time) sae Soe ee eee eee 189 
Spitzer, uyman, Jr. (The formation of, stars).-2..22-525 2-52 —s4seeeeee= 153 
