378 NOTES. 
that put another front -Jy immersion, would it not be preposterous 
to call the performance of the immersion front that of a i? — 
His practice is to give two names; and as the originator of the 
plan of two fronts, he may have the right to fix the rule of no- 
menclature.—C. S. 
Corrections TO Pror. TUTTLE’s Paper IN May NATURALIST. 
In all the figures save the first, the secondary flagellum is repre- 
sented as arising a short distance from the base of the first, in- 
stead of from the same point with it, which is what I meant to 
indicate in the drawings. The name of the genus which should 
have been Uvella is given as “ Urella.” The specific name near 
the bottom of page 286 should be glaucoma. — A. H. T. 
NOTES. 
AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE : — 
We understand that the Committee having the next, meeting mM 
charge are unable to make any announcement of arrangements 
until they hear from the Loçal Committee in San Francisco. 
Naturat History Epvucatrion ar HARVARD University :— The 
changes which have been made in the departments of Natural 
History at Cambridge within the last two years have been very 
great, greater perhaps than in any other school within the net 
time. As there are many persons of both sexes who are sees! 
opportunities for study such as the University now offers, We pe 
„a sketch of the plans of education in the different schools as far 
as they concern the student of natural history. There arè e 
schools in the University where natural history is taught A 
College, the Museum of Comparative Zoology, the Botanie i 
den, the Scientific School and the Bussey Institution. Let us trace 
in a general way the course of a student in these depar tments. 
The student who enters the college to-day is no er on 
pelled to follow the one uniform road over which the boy of a 
ty years past had to go; after his first or freshman yea? ge we 
begin to turn himself into the paths of natural scien’ K by 
commencement of his second year he may begin his a | 
courses which lay the foundations of a knowledge of ehemm. : 
taught in the Laboratory, of Physical Geography, ns! the 
Meteorology taught by text-books, lectures and excursions wa 
field. The time allowed for these studies during this yea 3 
