612 REVIEWS. 
whereas the Ascidia have no distinct muscles which can be compared to 
Mr E. S. ha (Sept 
RALIST) that the closest resemblance exists between the young of Tere- 
bratula and the adult Polyzoón, so close that there would be no hesitation 
in placing them in the same class, if the characteristies of the former 
were permanent 
In fact we cannot coincide with those who consider ax ines principles 
of the Cuvierian classification are endangered by Mr. Huxley's book. 
While no champion of all of Cuviers principles, we en but regard 
any work which wholly sets them aside as very deficient in comprehen- 
Siveness; it must acm substitute a multitude of details for the 
very general anatomical statements by which four out of the five great 
branches of the animal wae are usually defined 
THE SHEFFIELD SCIENTIFIC Scuoor.*— Prof. Verrill reports that the 
want of funds in the Zodlogical department has prevented the usual in- 
crease of specimens, but that the time has been turned to good account in 
cataloguing and classifying the general collection, and writing mono- 
graphs of separate groups. Mr. S. I. Smith has monographed a part of 
the Decapods, and Prof. Verrill the tete and Corals of the west coast 
of America, and described numerous new forms. 
The Geological department, under ie direction of Prof. O. C. Marsh, has 
received several very valuable additions. Among these the most UM 
able is a slab with twenty-one footprints of the Otozoum upon it, each of 
which is about fifteen inches in length. blue slab i$ of a SE pina 
gigantic size, measuring twenty by ‘thirty fe fee 
We have not space to review other ose but regret to notice 
that all of them seem to be laboring under asina difficulti 
At Yale we really have a Scientific School, one which pee young 
men a general knowledge of science and the arts as wei as a more inti- 
mate acquaintance with some special branch. 
"The advantages presented by the keiner in its’ mode of organization, 
its corps of instructors and the objects which it seeks to attain for all 
its students, are of the highest order. We. hope, therefore, that the 
pecuniary hindrances to the future progress of an institution, so impor- 
tant to the general interests of education in this country, may be speedily 
removed. 






New Eom N n this paper Prof. Verrill describes 
seven new species of Echinoids, rk of Asterioids, six of Ophiuroids, 
and six new species of coral, with one new genus among the Eupsam- 

xac es 
: hag emet oe of the Sheffield Selentifte School of Yale College, pamph., 8vo, 76 

Iaith Melis ines tin Cat By A. E. Verrill. Ext. Proce 
‘ Satie at xi, pp aae 


