1879. | Microscopy. 663 
Important amendments were agreed upon to the proposed Con- 
stitution, and it was then adopted without opposition. At the 
suggestion of the National Committee on Micrometry, last year's 
resolution favoring the one-hundredth millimetre as the unit for 
micrometry was reconsidered, and the whole subject was then 
referred to the committee for further action. Mr. E. H. Griffith 
offered a silver medal as a prize, to be awarded at the next annual 
meeting, for the best two slides illustrating the adulteration of 
some common article of food. On Thursday evening a soirée 
was held in St. James Hall, which was well attended by the citi- 
zens of Buffalo. The elomine ee were elected for next 
year’s meeting: President, Pro L. Smith, of Geneva, N. Y.; 
vice-presidents, Dr. W. W. Baieri of Indianapolis, and Mr. 
C. C. Merriman, of Rochéster; secretary, Prof.. A. H. Tuttle, of 
Columbus, O. ; treasurer, Mr. George A. Fell, of Buffalo. The 
day and place for the next meeting were left to be selected and 
announced by the Executive Committee. The president’s address 
was ies on Tuesday evening by Dr. R. H. Ward, in St. 
Jame During the week the following papers were read: 
On Diente cruciata, and also on certain crustaceous para- 
sites on fish, by Prof. DES: Kellicott; on the structure of the 
spinal cord in the marsipobranch fishes, by Prof. . Tuttle; 
on the embryonic growth of the eustachian tube and ‘middle ear, 
by Dr. Lucien Howe; on photography as an aid to microscopi- 
nf investigations, by Dr. Carl Seiler; on mourn object glasses, 
and on a universal microscope stand, by Prof. J. E. Smith; on 
the adie examination of objectives for the microscope, by 
r. G. E. Blackham; on the Preparation and mounting of double 
stainings, by Mr. C. c Merriman; on the Microscopical exami- 
nation of the nerve centres, by Dr. Theo. Deecke ; onethe Micro- 
W. B. Rezner. After OTAR the few members who were 
able to remain for that purpose, enjoyed a most agreeable excur- 
sion to Niagara Falls as the guests of the citizens of Buffalo, of 
whom many of the most cultivated and accomplished accom- 
panied the party. 
AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE.— 
Saratoga Springs during the week commencing August 27th, 
under the presidency of Prof. Geo. F. Barker. More than one 
hundred and fifty papers were presented, many of them being of 
exceptional value. Among those pertaining to microscopy may 
be mentioned those on the Physics of microscope objectives, by 
Romyn Hitchcock; on the Histology of insec Chas. 
Minot: on a Standard meter and its subdivisions into sg D 
