60 General Notes. [ January, 
was the rise of its upper slope northward. The terminal moraine 
represents both materials carried forward under the foot of the 
glacier, and also the earth and stone carried on its surface and 
dropped in a confused mass as it melted and retreated northward. 
These accumulated heaps may in places have equaled in height 
the greatest thickness of the glacier front, although in general the 
moraine would fall short of the height of ‘the glacier. As we see 
it, this terminal moraine raises greatly in height from point to 
point. It is possible to get at a minimum estimate of the thick- 
ness by considering the heights of some of the hills in the moraine. 
It is safe to conclude that the ice front of the great glacier was 
from 200 to 400 feet in thickness. A careful exploration of that 
part of New Jersey, which is north of the terminal moraine, has 
thus far failed to discover any peaks or crests which show no 
marks of a glacier. 
WERE THE ICHTHYOSAURS VIVIPAROUS?—This is a question 
which Prof. Seeley sought to answer in a paper submitted to the 
Geological Society at a late meeting. From time to time speci- 
mens of Ichthyosaurs have been found, with the remains of small 
saurians preserved inside the body-cavity. Against the suppo- 
sition that these small ichthyosaurs had been devored by the 
larger ones, it may be urged that their state of preservation is | 
markedly different from that of the remains of food, such as the 
indigested residuum of fish, which are not unfrequently found in 
the stomach of the Ichthyosaurs. Moreover, the position of the 
‘small skeletons in relation to the larger ones, with which they are — 
associated, is tolerably constant, and is such as to strengthen the 
, supposition that the relationship is that of offspring to parent. 
From these and other considerations, Prof. Seeley concludes that _ 
the Ichthyosaurus must have been viviparous.—Academy. 
Miocene Fauna OF OrEGoN —Prof. Cope recently read a paper 
before the American Philosophical Society, describing additional 
species from the Truckee Miocene of Oregon. Several of these 
were Rodentia, one of which was referred to a new genus, under the 
name of Paciculus. Four were Carnivora, two Canide and two 
Felide. Anew genus Hyenocyen was proposed for the Exhydro- 
cyon basilatus, with the following dental formula: I. 3; C. 4; Pre-m. 
4$;M—. The genus Merycopater was shown to be an Ureodont 3 
with deficient superior incisors. A new genus of Oreodontid@ — 
was described under the name Coloreodon, with the following — 
characters: A wide diastema in both jaws. I. 3; C. +; Pre-m. į; | 
. §. Two species were described, a smaller C. ferox, and a — 
larger C. macrocephalus, both of which have remarkably developed 
cranial crests. Three new species were added to the suilline di- — 
vision 
Procese Man.—Special interest is attached to Prof. J. D 
Whitney’s recent volume upon the “Auriferous Gravels of the — 
