I 
PROCEEDINGS OF THE ASSOCIATION OF 
AMERICAN ANATOMISTS. 
NINETEENTH: SESSION. 
August 6-10, 1905. 
The Nineteenth Session of the Association of American Anatomists 
was held in Geneva, Switzerland, August 6-10, 1905, in conjunction with 
the Anatomische Gesellschaft, the Anatomical Society of Great Britain: 
and Ireland, L’Association des Anatomistes of France and the Unione 
Zoologica of Italy; the jomt meeting of the societies constituting the 
First International Congress of Anatomy. . 
The Executive Committee of this Congress considered an invitation 
extended by the Executive Committee of the Assocjation of American 
Anatomists to hold the Second International Congress of Anatomy in 
Boston, Mass., in 1907, in conjunction with the International Zoological 
Congress. The Executive Committee of the First International Congress 
of Anatomy expressed its regret at being unable to accept this invitation, 
inasmuch as it had been previously decided to have the meetings of the 
International Congress of Anatomy occur not oftener than once in five 
years. 
Of the members of the American Association of Anatomy, there were 
present at the First International Congress of Anatomy :—KEdward 
Phelps Allis, Jr., (Milwaukee, Wis.), Elexious Thompson Bell (Univer- 
sity of Missouri), Frederic Henry Gerrish (Portland, Me.), Francis 
John Shepherd (Montreal, Canada), George L. Streeter (Johns Hopkins 
University). 
The members of the Association of American Anatomists participated 
in this Congress as follows :— 
CONCERNING THE DEVELOPMENT OF THE ACOUSTIC GANGLION IN 
THE HUMAN EMBRYO. By G. L. STREETER, Department of Anatomy, 
Johns Hopkins University. 
A study based on a series of wax models of the ear vesicle and acoustic 
ganglion, reconstructed from human embryos measuring respectively 4, 
7, 9, 11, 14, 20, and 30 mm. in length. It was found that in the early 
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