VI CONTENTS. 
REPORT OF THE EXECUTIVE COMMITTEE. 
Condition:ef the fund July 1, 1909. c22. 52-2 - tooo: Soe oases sete sos .cces 
Receipts and disbursements July 1, 1908, to June 30, 1909 -...-.....-.------ 
Summary of appropriations. by. Congress... ---.--55-0-s222css2-ccc 22 secu 
PROCEEDINGS OF BOARD OF REGENTS. 
Meetings of December 15, 1908, and February 10, 1909--........-------.----- 
ACTS AND RESOLUTIONS OF CONGRESS. 
Acts of Sixtieth Congress, second session, relative to the Smithsonian Institu- 
fion and-its branches. -. ..5 22-2355. = sac6 se 5 seen esa aos see oeseseeeee 
GENERAL APPENDIX. 
The future of mathematics; by Henri Poincaré 2.22 s550------ 5-4-4202 s5 eee 
What constitutes superiority in an airship, by Paul Renard ...-....-...----- 
Researches in radiotelegraphy, by J. A. Fleming.-.-..----.-.--------.----- 
Recent progress in physics, by Sir J. J. Thomson.............-.------------ 
Production of low temperatures, and refrigeration, by L. Marchis------ - Beas 
The nitrogen question from the military standpoint, by Charles E. Munroe. - - 
Simon Newcomb; by Ormond Stone <22.<25.ccs22s0scecnce aces sco =-se5seee 
Solar-radiation researches by Jules César Janssen, by H. de la Baume Plu- 
NE) | a Seg a ee ee ee hale Ol mene es IS ce ee ema ee aS 
The return of Halley’s Comet, by W.W. Campbell...............=...--.--- 
Ehewpper air by HE: Gold and W:-A. Harwood ..:5. 23.5.2) 2-445. 522 2-2 aee 
The formation, growth, and habit of crystals, by Paul Gaubert........------ 
The distribution of the elements in igneous rocks, by Henry 8. Washington. - 
The mechanism of volcanic action, by H. J. Johnston-Lavis---...--....---.- 
Conservation of natural resources, by James Douglas........-.-.-.---------- 
The antarctic land of Victoria, by Maurice Zimmermann...-........-.--...-- 
Some results of the British antarctic expedition, 1907-9, by E. H. Shackleton. - 
The oceanography of the Sea of Greenland, by D. Damas.......-..----.-..-- 
From the Niger, by Lake Chad, to the Nile, by Lieut. Boyd Alexander... --.- 
Mesopotamia: Past, present, and future, by Sir William Willcocks. -....---..- 
Albert Gaudry and the evolution of the animal kingdom, by Ph. Glangeaud.. 
Charles; Darwin} by Aucust Weismann. 2> 22... Soc 222 lees eee 
Present problems in plant ecology: Problems of local distribution in arid 
ReSIONG wove Olney oN. Spalding. a5-0s6ece8 Asch baie sce catsaameae omer 
The instinct of self-concealment and the choice of colors in the crustacea, by 
ROHL OB NETIC WACZ amis sere eee Sse aie eee a aie eas areca ees 8 eee 
The origin and development of parasitical habits in the Cuculide, by C. L. 
ETE CLG 1S om aes Pao ne rn fege hor eee aig ea Yt I Se ey 
Lo GITISTY = AAAs gee Sk hee crane tte evar cm toes neo ne Shan ae Pneme ey! 
An inquiry into the history of the current English names of North American 
landuomosmoy. Spencer Erotter's. 2222.0 occ. ceccs wu cde saces S228 eck 2. eee 
Condition of wild life in Alaska, by Madison Grant............-..---.------ 
Recent discoveries bearing on the antiquity of man in Europe, by George 
CRIME ECO TAY ss Pa A he ce AAA rep NR ad cng Ses nase alata ere ans oe 
European population of the United States, by W. Z. Ripley.......-.-...-.-- 
The Republic of Panama and its people, by Eleanor Yorke Bell...--....-_-- 
Ceramic decoration: Its evolution and its applications, by Louis Franchet..-. 
Some notes on Roman architecture, by F. T. Baggallay .............--.--.. : 
The relation of science to human life, by Adam Sedgwick.._........-..----- 
Intellectual work among the blind, by Pierre Villey............-.....---.-- 
The relation of mosquitoes, flies, ticks, fleas, and other arthropods to pathol- 
Opspa OY Acum NEAROLO Ie me A eee Meo et or carats oes c eg ae eae, Stee 
Natural resistance to infectious disease and its reinforcement, by Simon Flexner. 
