CONTENTS 
Page 
HERS DRO LEOSICT A Ges sae ot tN ho Ree ayy ie Be Ree a v 
Generalistatement=—— 2-5-5. oe. 2 eee ee ee eee ee ee a 1 
ier StAabisShMentea. so s—" a ok ee ee Ae ee ye 4 
Pe CHOATE OF ARE RCIU Se a Depart ge = age re ee 2 ee ere ee eae 5 
INDENT COS 9 eee ore a eG ee oe re Ge 5 
\ WATE HOT Searcy ot) me a oe ee ae ee ey BE eee ae oe 6 
Summary of the year’s activities of the Institution_____-_-------------- 7 
Reports of branches of the Institution: 
United StatessNational Museum. 242 2 - eee ee a 11 
IBUreaueoleAm ericanert him) 0 lays ne ee ee ee ee 55 
ASiTOphysical ODSerVAlOL irs. osetia = 02 ee ee 96 
National" Collection/of WinerAntes ony 5a a Pane ese Ssc kes 111 
reer GalloryaGreArus es == se anes eA UO Es i ee 127 
INationaleAiraMuseumens. 45 sissies ete se ooo cease eee ee 141 
NationaluZ@oLopicalyParkelte Mh eas oe eel ee ooo 2a Se 150 
Canal-Zone- Biological Ares 245 2s ¥b saws hen <sss beet senecete 2 SOE 190 
International-Exchange- Services = a Le BD 197 
NationaltGalleryofrArt ites 22 hate 0 ine te eS eee ese EES 206 
eporvron the ibrany ees = sa = eas 2 eee eo LE ee SUS Se 220 
VepOEWOnepUbiicationse== 2-6 See Ha == alee ee ae oe en wae eh ED 224 
GH ORI SE Livaties = meee ste ir aT oP SPAR PE Le SE SENOS TB TORR ETO 231 
Set Rese == 5 Se eae eat i eS eh) OA tL OES OIE 231 
Bio-Sciences Information Eixelianives: 2-224 s= ===2 S04 = eeoieL 2 232 
Aviation ducationt Institute: 2e-es-= Sees © + ee aoe s eee a % 233 
Report of the executive committee of the Board of Regents_---___------ 234 
GENERAL APPENDIX 
The transuranium elements, by Glenn T. Seaborg______---_----------- 247 
The IG Y-in retrospect, by’ Hiltott'B. Roberts_2 2/012. 05.) JaL_. aos? 263 
Astronomy from artificial satellites, by Leo Goldberg___________---_--_-- 285 
polar radio astronomy; ‘by Alan’ Maxwell.) 1so0%ai6 so] sorely 2 buble 299 
The new uses of the abstract, by George A. W. Boehm___--_----------.- 309 
Miraces, byadames Hi. \Gordone===-—- ss See Be Be 8 ee 327 
Lessons from the history of flight, by Grover Loening______-__--_-_------ 347 
Hhewscml oceanography, Dy .G: a... Deacone. 3 seas. 9 Se 361 
Ambercris—Neptune’s:.treasure, by C. P. Idyll-_-.2..2-_ =. 2-2 --_-=-- Bye 
The rhythmic nature of animals and plants, by Frank A. Brown, Jr____-- 385 
The survival of animals in hot deserts, by E. B. Edney_____-_---------- 407 
Amphibians, pioneers of terrestrial breeding habits, by Coleman J. Goin-- 427 
A study of saturniid moths in the Canal Zone Biological Area, by A. D. 
