148 TRANSACTIONS OF THE [aPR. 13, 
ments with the Roéntgen Rays.” Experimental demonstration 
followed in the Electrical Laboratory of Columbia University. 
J. F. Kemp, 
Secretary. 
STATED MEETING. 
April 138th, 1896. 
The Academy met with President STEVENSON in the chair. 
Twenty-five persons present. 
The minutes of the last meeting were read and approved. 
The Section of Biology then organized and listened to the 
following program : 
Tarleton H. Bean, “The Habits of the Young of the Pacific 
Salmon.” 
Oliver 8. Strong, ‘‘ A Case of Degeneration of the Optic Nerve 
in the Brain of the Skate, Raja erinacea.” 
H. F. Osborn, “* A Mode of Evolution requiring neither 
Natural Selection nor the Inheritance of Acquired Characters. 
An abstract appears on a subsequent page. 
J. F. Kemp, 
Secretary. 
RECENT NOTES ON BACTERIA. 
By Harrison G. Dyar, Pu. D., AssiIsTANT IN BACTERIOLOGY. 
DEPARTMENT OF PATHOLOGY, CoLumMBIA UNIversity, N. Y. 
“T would reeommend * * *_ that all who describe new 
species should be urged to afford a second description twelve 
months later * * * stating accurately how far the forms have 
become modified by continued growth on ordinary standard 
media,” 
This suggestion of Dr. J. G. Adami (Jour. American Public 
Health Association, X X., 418, Oct., 1895), has appeared to me a 
valuable one and I have accordingly put it into practice by re- 
planting the ‘new species” of Bacteria described by me (Ann. 
N. Y. Academy of Science, VIII., 322-380). The following is 
the result of this planting during February and March, 1896. 
