NOTES. 703 
sue experiment further, and with the able assistance of Mr. Joseph Zent- 
mayer, whose zeal for the improvement of the microscope has induced 
him to undertake the rather i dgio task of preparing the prisms, it 
will soon be ascertained w er ot any material advantage can b 
gained, by adopting a pase ss iy cutting them. 
NOTES. 
Our readers are doubtless aware that Congress at the last session made 
an appropriation of $50.000 for Arctic er with the promise that 
the scientific operations of the expedition were to be prescribed by the 
E a my or Sciences. Erer in uu was appointe ted by the 
i che 
t 
enry are to act in concert with him. and prepare a manual of scientific 
inquiry for the use of the expedition, which will, undoubtedly, interest a 
large circle of readers when published. 
. Hyatt has been appointed Professor of dtes at the Mas- 
saints Institute of Technology. Mr. E. S. Morse has been chosen 
Professor of Comparative Anatomy and Zoology at pd doin College, and 
has been appointed Lecturer in the same branch at the Maine Agricul- 
tural College. Dr. A. S. Packard, jr., is * oh on Economic Entomol- 
ogy at the same institution. Mr. B. K. Em n has recently been 
elected Professor of Geology at Amherst Soler. ‘as chair filled for so 
many years by Dr. Edward Hitchcock, Senior. 
Chicago offers a new publication for general patronage, under the title of 
the ‘ Pemba Journal of Microscopy.” The first number, for November, 
is of quarto size and contains sixteen page h nal is to be pub- 
u 
contributions on TOE and kindred subjects are requested from 
all parts of the w 
Dr. Hagen has rege returned from Europe, having purchased, 
through as furnished by a lady in Boston, for the Cambridge Museum, 
a Parisian collection of weevils of great extent and value. We are glad 
to know that he has brought over his own unrivalled gollaction of Neu- 
roptera. Its presence in this country is most fortunate for this depart- 
ment of entomology. 
The addition to the building for the Museum of Comparative Zoology at 
Cambridge, at an expense of upwards of $60,000, is rapidly going up. 
Professor Agassiz has returned to Cambridge with restored health, and 
with new plans for the enlargement of his Museum. 
