A 
Page 
Mp bote@hantessG stat c= seme Ain ia ys nee soe here eR eS ATI Ae xe ae 
ALO DOL GAN ECU CK CTA #5 ox tere aS Dae Boma tihy cy a) aan oy ee he Ss SNS Ee 
ENC CESSIONS ses Aare & aa A es a oe ee 17, 27, 42, 47, 87, 98, 122, 132 
Hihmology> Is ureato fi AmMerica nner. ee ee ee ee eee 87 
BreensGalleryrolArt 2 soe eee pera ee ee Oeier ere 47 
ilprany eee n= he een Sasori k & Sates BA ete Seo SSS a ee 132 
NationaleAirs iuscum=—eeee see wee ae aa ees eee Pe 122 
Nationale C@olle ction fe time Atr (cee eee ee eee ee eee 42 
iNanonalkGallerviolsArtx sess =2* san ee Ieee ae ean arene vee ee 27 
Nea tonale\Guseuineee ssa Scie ss noe wr eae et SA ae Sek 2 eee 16 
iNationaleZoolosicalabarks= == ssn 56 sa= sone snes eae AS eee 98 
NCE NGA eee he oe iene ee ae eI AORN Ram HS IIA. Soe eee viii, 52 
Adams, Chere ley Cs meee Bo at oe ne crete west Sle ot en de ea eee E 128 
Administrative accountant of the Institution (ihomasy he Clark)a ses. == v 
Administrative assistant to the Secretary (Louise M. Pearson) -_-_------ Vv 
MDCT ULE OUCE Eta a= ann eke SaaS! ReS sees ree hes eee ee eee 127 
Aldrich, Loyal B., Director, Astrophysical Observatory--...-..-------- ix, 113 
PAU eTIMey Aur t hii Tet Ngeees See ewe Bee A epee Beka DE se HS th Seen sito Beye oy = 129 
A Grit VWallliania pee me seers ee eee tfc ie 2 BL ewe ee eats vii, 23 
Amencan Mistoriesl Association, Reportss. 62-22-2022 222 oo] eee 141 
Anderson, Car] D. (The elementary particles of physics) _--_------------ 203 
Anderson», Clinton=—P—(regent of the Institution) 2222522242222 2-2 2 222 v, 6 
Animal behavi ior) Morevabout (Emest PS Walker)= 3292225322" " 2-2-2 261 
Antaretie research expedition, Ronne, 1946-1948 (Commander Finn 
ENO TIIAC) eee ea ae Sere a ey te ee ob aree 100s heer SA yn es 369 
OPLOME A IOUSE Nae Aeon nes ae ete ee 7, 26, 59, 107, 131, 142, 148 
CanalyZoneBiolociesloAred 222 92282. S52 22 SS sre sees eae 131 
Iishitubkeromoocial Anthropology te a. oa one a ee ee ene eee a 59 
INE OnaAlmGallenycOmAnr Gee = eee en oe ea oe eee ees 26 
NationalZoolosicalebarika sania 92s As Nee oe eee es eee eee 107 
TEVETUSW BA AYER (eipaeG | OVUGKG Ley ade ete et pn ted lp ly eM et ek pe 142 
River Basin SURVEYSe erat cee thon Stes een Reh ee eee 59 
STAM Se TAT 1 Te ae lar ne Ne ers wy hr oS er A Se eS a 7, 148 
Arab rmanenineri Cane Corfe een ee eee se ee ee ee 22 
Anchicvimstitute OLoNOrth Americas. 2a Sess oe ee eee Tere 23 
PAC COWS Kal ered @niiay, Kwan 6 eae See Say See es RR ee ee 111 
Srinser Ohimpelsaylonrks ose wie hae ee on ee Oe SE ee nee os 41 
Ani Murleckure torxteenth: = occa eee es see no a een eee eee 8 
Assistant Secretary of the Institution (John E. Graf)__-__--------- Wi On 4d ae 
Assistant Secretary of the Institution (J. L. Keddy) _------------------ 
INSETO Diy sical’ OOSCEVALOLY oe oes ae ee eee eee a seca cs ee rg, 1c}; 109 
Astrophysical Research, Division Off. =) o> 5922 s2s—n=—seeo == ix, 109 
Radiation(and Organisms, Division Of- 229-2222 os 22 =. = bey 1}, Wi 
4 BSCS) 00 cr ge ae a in a ot aa ag Sg eg ln th ee ee Seat 109 
SIR Gi Sh So OD, a Ree Sieae ek ncaa (hela Mic ge Ae emesis Se ee oe AO a ix 
INECHISOM OSC DN OAT ae Se ene ae aan ee e ee ee eaeia aeeoe ae 119 
Attorney General of the United States (Tom C. Clark, member of the 
MS GUC WETOM oe ae ae ene eee ee oe pete ote ere oat es Vv 
ANISH OV ee ce cee ee a ee Sr eats eee aa ie ore 79 
Australia-National Geographic Society-Smithsonian Institution Expedition. 21 
ING CTV BeAr ea eee ere 2 een ee sie one es eee vii 
Acyl SAGTIAG GN pect eee mee eee a et ete ee nes eee vi 
B 
ASA Cl wams GOnG OU tps ese 2 a el ae ee DS ee ee ae 75 
Barbeaul ©, Mess.s02 = BPs tt ey ee Be eet ee 57 
