52 The West American Scientist. 
when existing epidemically, and Mr. Wickson stated that such 
a course had been spoken of, but could not say that it had ever 
been carried out. Unfortunately, the more destructive of the 
fruit and grain pests, do not seem to be seriously attacked by 
this fungus, although the chinch bug has an inveterate enemy 
in an allied fungus termed Lxtomophthora, which also carries off 
the larvee of certain butterflies.--C. P. Bates Recording Secretary. 
NATIONAL ACADEMY OF SCIENCES, WASHINGTON, D. C.— 
APRIL 17, 1889.——Prot. Othaniel C. March was re-elected Presi- 
dent, and Prof. S. P. Langley,,Secretary of the Smithsonian Insti- 
tution, elected Vice-president. After the election, the members 
of the Academy called on the President of the United States, at 
the White House 
The papers presented at this meeting of the Academy were as 
follows: 
On Composite Coronography, by I. P. Todd; Memoir of Prof. 
5..F: Baird, by Dr. Billings;; Memoir of Dr, Asay Graye ay Or. 
W. G. Farlow; Determinations of Gravity, by Mr. C. S) Peirce; 
On the N. A. Probocidita, by Prof. E. BD: Cope. @mgiter tas. 
of Saturn, by M: A. Hall, Jr.; On the Nature and Composition 
of the Double Hallides, by Prof. Ira Remsen; On the Rate of Re- 
duction of Nitre Compounds, by Prof. Ira Remsen; On Some Con- 
nection Between Taste and Chemical Composition, by Prof. Ira 
Remsen; Recent Researches in Atmospheric Electricity, by 
Prof. T. C. Mendenhall; Measurements by Light Waves, by 
Profs. A. A. Michelson and E. W. Morley; On the Feasibility of 
the Establishment of a Light Wave as the Ultimate Standard of 
Length, by Profs. Michelson and Morley; Additional Expert- 
mental Proof that the Relative Coefficient of Expansions Between 
Baily’s Metal and Steel is Constantly Between the Limits of Zero 
and 95 Degrees of Temperature, by Prof. W. A. Rogers. 
THE CoLoRADO BIOLOGICAL ASSOCIATION.—The recent 
election of officers has resulted as follows: — President, C. 
F.. Morrison; “Secretary, . 1-1. - A. (Cocketrell aise aaiiigete 
H: G.- Smith, Jr.; Council, Dr. C.. A. Merriam, (avs Nasir 
Prof. A: S. Packard, D. W. Park, Prof. |. M> Coulter ana Ie: 
Gale. : 3 
The membership is now sixty-three, the following having 
joined during the last six weeks: Dr. E. B. Landis, H. Toden- 
warth; J.. Bentley,. LU. Stejneger, S..C. ‘Cockereiy Bac) amies 
Cassidy, Dr. D. O'Brne, Miss E. LE. Morton, ©. a Cooper 
Miss Alice Eastwood, B. T. Galloway and H. A. Pilsbry. 
The additions to the fauna and flora of Colorado, as recorded 
in the books of the association, have been during April, 1889: 
Mammalia, tr; Birds, t.var.; ‘Reptiles, 2; Amphibia) o;iishes; 1. 
Mollusca, 2 vars. and 1 fossil species; Coleopter, 4; Hymenop- 

