238 Tue Microscope. 
American Society of Microscopists for past volumes of the society’s 
transactions. These volumes are like mile stones, marking the so- 
ciety’s growth, and the ever increasing interest manifested in all 
that pertains to microscopical research. 
NEWS AND NOTES. 
Dr. C. O. WuiTMAN is to edit the American Journal of Animal 
Morphology, Ginn & Co., Boston. 
Mr. A. C. Corr has found that cassia oil answers well as a 
mounting medium for some diatoms, (Heliopelta, Cascinodiscus, ete. 
Accorpine to late experiments by Prof. Forster and Dr. Van 
Geuns the comma bacillus is destroyed by heating the substance 
containing it to 131° Fahr. 
Dr. N. Poresarrr, of Odessa, has described the keratose 
sponges collected by the Challenger expedition. Of thirty-seven 
species secured, twenty-one are new. 
Dr. W. J. Horrmay, of the Bureau of Ethnology, has received 
the gold medal of the Real Societa Didascalica Italiana, at Rome. 
This society is mainly composed of anthropologists. 
THE September 17, number of Science contains an excellent 
portrait of M. Chevreul, the distinguished French Savant, whose 
centennial festival has just been celebrated at Paris. 
FIFTEEN genera of diatoms have already been found in the 
blue clay at Gray’s Ferry bridge. This clay appears to be almost 
as rich in these organisms as the well known Richmond earth. 
Pror. VircHow is reported to have said in a recent lecture in 
Berlin, “that Pasteur had done the world a great service if he had 
succeeded only in allaying the fear consequent upon the bite of a 
mad dog.” 
GrorGE Busk, F. R.S., F. G. S., a well known and indefati- 
gable lover and worker in the field of science, is dead. Besides 
holding several important appointments, he was editor of Wedl’s 
Rudiments of pathological histology. : 
M. Francois has found that the nerve connecting the ganglia 
in the Branchelion (Hirundinea) have a neurilemma and three 
