Evening star., 1925-04-19
NOTED SCIENTISTS
TO attend PARLEY
Specialized Subjects to Be
Discussed at Convention
in This City.

Noted scientists from over the Ma
ton, who have spent years of study
on specialized subjects, will give the
results Of the investigations at the an
nual meeting of the National Academy
If Sciences to be held here on April
u. 2S and % at the National Research
Council Building, B and Twenty-first
streets. The meetings will be open to
the public.
A prominent feature of the lectures
will be on phases of the suns rays, as
studied during solar eclipses. A num-
ber Of prominent scientists will read
papers on the subject. The Einstein
theory also will be discussed.
Other subjects range from disserta
tions on spiral nebula as stellar sys-
TENS to fat production in the hog.
List of Participants.
Those who will participate in the
meeting Monday, April 27, beginning
at 1880 o'clock, are:
9. Z. Seashore and Milton Metfes-
sci, "Devia ton From the Regular as
an Art Principle" dllustrated); C. f.
Seashore, Role of Mental Measure
ment in the Discovery and Motiva-
lion of the Gifted; X. koffka Cby
invitation), The Perception of Move
ment, an Instance of Experimental
Method in Gestalt-Psycholog Yam
dell Henderson and H. w. Haggard,
Measurement of the Circulation in
Man; F. G. Novy and NJ. H. Soule,
Cell Respiration" and Wolfgang
Kohler, Biology and the Principles
of Physics.
Afternoon Session.
The afternoon session will be held
in two sections, beginning at , o'clock
Section !. In the central hall (bio-
logical sciencesl-Herbert NJ Evans
and George o. Burr. The Anti-Ste-
rility of Vitamine, Fat Soluble e.;
Karl E. Mason, "A Historical Study
of Sterility in the Albino Rat Due to
a. Dietary Deficiency; Oscar Riddle,
Some Concurrent Changes Involving
the Newer Aspect of the Sex Prob
lem; Carl Voegtlin, j. NJ. Johnson
and H. Byer, "Protoplasmic Action of
Copper and Cold; NJ. Wierzuchowski
and s. M. Ling, 'On Fat Production
In the Hog; j. B. Collip. THE In
ternal Secretion of the Parathyroid
Glands; c. w. Stiles. Experimental
and Psychological Pollution of Wells
Via the Groundwater Route; Al
bert F. Blakeslee, bud Sports in Jim.
son Weed Caused by Chromosomal
changes; Edward w. Berry, Fossil
Bananas in the Tertiary of South
America; Peter P. Sushkin, Out
lines of the History of the Recent
Fauna of Palaearctic Asia; Frank
NJ. Chapman, The DEVELOPMENT of
Aonal or Altitudinal Faunas, and the
evidence They Afford of Evolution bv
environment" s. A. Forbes, Method
OF Determining and Measuring the
Associative Relations of Species
Section II. In the lecture room
chemical and physical sciencesl-W.
Snhatlar
evidenced by Lithium Pegmatites":
w. A. Noyes, Failure to Obtain
Compound Containing Only Nitrogen
ana Chlorine From Oxides of Nitro
gen; Frank Porter "SolubiIity of
Caroon-Dfoxide in Various Organic
Solvents at Low Temperatures; G.
r. Baxter and II. w. Starkweather.
The Density and Atomic Weight of
Henum; S. c. Lind, THE Origin of
terrestrial Helium and Its Associa-
Iion With Nitrogen and Hydrogen;
n. i: compton and c. c. Van Voor-
ms, The Probabilities of Ionization of
Hg, A Ne. He, NJ and H2 Molecules
oy Electron Impacts; H. c. Urev.
Inc Structure of the Hydrogen Mole
Guile lon; Edwin H. Hall, THE -Four
Magnetic Transverse Effects and
Their Relations in Certain MetaIs'.
Worth II. Rodebush, THE Measure
ment of the Absolute Charge on the
Earth's Surface; John r. Carson
The Foundation of Electric Circuit
Theory"
Other Sessions.
The Monday evening session begins
In the central hall at o'clock-Fred.
erlck b. Power and Victor K. Chesnut
The Odorous Constituents of the Cot.
ton Plant; Emanation of Ammonia and
trlmethylamine From the Living
Plant; A. A. Nicholson, THE Last
rest of the Einstein Theory; Heber
d. Curtis, Solar Eclipse Problems:
Heber d. Curtis and Kelvin Burns
Infra-Red Flash and Coronal Spec
ira of the Eclipse of January "a, 1925.
Sproul Observatory Expedition, New
Haven, Conn.,; Harlow Shapley, Re
port on Southern Nebulae"; Edwin P.
Hubble, Spiral Nebulae as Stellar
Systems; Robert Cushman Murphy.
Recent Oceanic Phenomena Along
the West Coast of South America"
The Tuesday session opens at $50
am. in the central hall-E. L.
Nichols, Biographical Memoir of Err