424 Scientific Intelligence. 
living. Inco ence mpiling both bad pees and 
good ones, several species of oad appear under two different 
names. Thus ynthia placenta Packard is the same as Ascidia 
earnea Ag., and i 4 a true Cynthia; C. gate Stimpson is, perhaps, 
the young of the same species, which is abundant and of larger 
size in the Bay of Fundy. Mo olgula pore Stimpson is the tthe 
ans 
bottoms near New Haven, aa isatrue Molgula. Ascidia ooetldee 
Agassiz appears to be the same as 7 tenella Stimpson. The fig- 
ure of the latter agrees exactly with numerous specimens, whic 
we obtained living abundantly from low-water to 50 fathoms at 
Eastport, Me., which are no doubt Stimpson’s species. Boltenia 
microcosmus Agassiz is pony, only a Jonoen ony of B. cla- 
very constant ie its ‘characters, as described by Dr. Stimpson. 
Although the pend given by Agassiz to en of the species above 
mentioned are earlier than Stimpson’s, no descriptions were given 
by which the species Ser possibly be reas ate. except oh ting 
in the case he species n which the ocellz are so prominent & 
feature. Therefore the the eames A eb b Stimp son, and Soccniniee 
. 
ra has much improved sand enlarged, and many additional 
o be reg t 1 
was not bestowed upon the distribution of die species in depth 
and geographically, fo “pe a very large amount of information of this 
kind has accumulated since first edition, but often only the old 
localities are mentioned, though Dr. Stimpson had given a far 
Aphaton of this kind, as long ago as 1851, 
New England,” which has not even “been incor- 
to the p: wor 
ck ologists and naturalists generally will be surprised 
it to which oe ideas of classification are retain 
the Brachio ods introduced between the Cone hifers: 
