= 
Notice of Ehren 
Many of the species se 
renberg has been isle the outline figure 28, and has sup- 
i ted Euastrum, which he has conse- 
quently named Busing carinatum. It is not carinated. The 
species fig. 8, Pl. Il, which he doubtfully refers to Biddulphia ? 
levis, does not appear to us to belong to Biddniphia. Its cylin- 
drical form and various other characters assimilate it more closely 
toGallionella. It also appears allied to Actinocyclus. 'The species 
referred to Pinnularia have been separated from the old genus 
Navicula. We do not think that fig. 29 is a young state of 
Euastrum Crux Melitensis, as we have seen adult specimens still 
Tetaining the usual form. In continuation Ehrenberg remarks : 
“ Among these fifty three species of infusoria, seven are peculiar, 
and are indicated by stars. Prof. Bailey’s observation of the living 
dentate species of Eunotia is of particular interest, as they have not as 
yet been detected in Europe in the living state, although the shells are 
humerous in the Bergmehl from Sweden and Finland. As I have reason 
to suspect that some of these forms while living form bands like Fragilla- 
ria, and consequently belong to the genus Himantidium, it is particularly 
desirable that attention should be directed towards them. It is possible 
that such bands have been confounded with Fragillaria pectinalis.” _ 
Ehrenberg then presents a list of sixty nine recent organic — 
forms from West Point, observed by him in a living state at Ber- 
lin, and illustrates them by forty five beautiful colored figures. 
The whole number of independent microscopic organisms known 
to Ehrenberg as existing at West Point is one hundred and thirty 
three, belonging to thirty six genera, of which only one (Am- 
phiprora) i is extra-European. 
Connecticut.—In mentioning specimens of fossil infusoria from 
Connecticut Ehrenberg states, that though sent by B. Silliman, 
Jt. in 1838, he did not receive them in Berlin until October, 1840, 
Owing to accidental delay in England. He then gives full lists 
of all the species noticed by him from Andover, New Haven, and 
Stratford, and erroneously attributes to Prof. Bailey the discovery 
of these locallties.* The most interesting remarks concerning 
these lists are the following : 
* The specimens alluded to were obtained by B. Silliman, Jr. and the late Rev. 
James H. Linsle ey. 
Vol. xiv1, No. "ys ~March, 1844. 39 
