CONTENTS 
Nhistrototiclalse= =o 202 ee BNE OA tel Neha iedl POR EPO 2 Lr Bie ASR. 
Generalistatementy 92 5. ee = oe eee ok 2 aT ENS y mee wim isos Es mec eet caer 
Bem SEA IIS MIN Cla Gee ees oe ee be ey Mat Mate Gin eIL rem WC eee ee ma 
PCW DOUTO OM ROPE tsk es aa Nh Nal Chemise i Mele ps Shs Ble ge 
IESITTN ATA COG epee er ee eee URE Me Pe eek a eM eee co ey cre ae Cee 
Bio-Sciences Information Exchange___....-._----_--- eye a et ke. dyes 
Summary of the year’s activities of the Institution____________________- 
Reports of branches of the Institution: 
United States: National, Museum_.2.2...-25 2222222 2242 0l6 kas 
Bureau of American Ethnology...__-___._._____- eenperer | meee Pune ray 
INSTROD INV EICAlb ODSERVALORV2= a2 5s ao a eo Sadie ek oe ee 
National Collection of Hine Arts: 2.42". 24-2220 ceeceeee eee ee 
reer GallerysoleATion 223 sooo Pt ny egg ek pS a 
National Airs Miuseum === 925 2 Soe so ce ARE ROE eM Sco rapes Cae oi 
INawionalsZoolopical: Parki. . a. oe oe ee Oe es 
GanalcZone BiologicalvAres: 2.24 20s Bae oe Pe ee 
Inéernational Fixchange Service... .-L50- 4. S22 jose e ou ee 
Nationale Galleryol ATs si 2 si jjoe\ ee ee ee ee we Ie 
Report of the executive committee of the Board of Regents______._____- 
GENERAL APPENDIX 
fhe stn-sreneray, by Barrington Daniels 222.0222 22 ee 
Sun, seaand air by-hoger Revelles 22) 82.) oe ee 
Rocketry, by Donald Cox and Michael Stoiko________________- Te ne 
Fresh water for arid lands, by David 8. Jenkins____________ epee hee SG 
The abundance of the chemical elements, by Hans E. Suess_____________ 
Earthquakes and related sources of evidence on the earth’s internal 
SISUCHUTE Ay Wes Dullen 2 foes 2 eee eee Mise kU a pes SECU 
The Darwin-Wallace centenary, by Sir Gavin de Beer__________________ 
Does natural selection continue to operate in modern mankind? by 
Theodosius Dobzhansky and Gordon Allen_____________ bg ere Aa ds UAE ee 
Mhetecology of man, by Paul B. Sears-..--_-2--.... 2-2 pee ey oft, satay ees 
Bhemseasouter by Warl W. Kenyon. 5. 2220 Us yk 
Screwworm eradication: Concepts and research leading to the sterile-male 
methods yaluerhs loniplings. 262. oo cee ee ee 
Narrative of the 1958 Smithsonian-Bredin Caribbean Pee by 
vical cl oil sais lara Ges el, Pt a es te es Oe 
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