406 Scientific Intelligence. 
with the Permian, as Maj. Hawn’s collections seemed to indicate, and 
the lithological and stratigraphical evidences are too strong to be over- 
looked. The limestones change from an impure carbonate of lime toa 
carbonate of lime-and-magnesia; there is a want of conformity, and 
nearly all the well-marked Carboniferous types of animals cease; and 
w, such as are of doubtful specific relations, or have a very wide 
stratigraphical range, or such as come in high up in the Carboniferous 
rock, being solid enough for building purposes, and from 8 to 11 feet in 
thickness. How much or how far the peat extends beneath I cannot say; 
it lies as low as the level of very low water, 
5. Supplemental Notes on.the Structure and Affinities of Hozoon 
Canadense ; b . B. Carrenrer, M.D., F.R.S.—In this paper Dr. Car- 
penter stated that a recent siliceous cast of Amphistegina from the Aus- 
tralian coast exhibited a perfect representation of the “asbestiform layer 
which the author described in his former communication on the struc- 
existing Nummuline Foraminifera, and to be associated with a structure 
exactly similar to the lacunar spaces intervening between the outside of 
f 
ia, in a specimen of 
gneiss from near Moldau, and in a specimen of serpentinous limestone 
‘sent to Sir Charles Lyell by Dr. Gitmbel of Bavaria.—Reader, Feb. 10- 
6. Fossils of the Sierra Nevada.—In the review of Whitney's Geol: 
men of Ophicaleite from Cesha Lipa, in Bohemi 
d We add here that Prof. W. P. Blake, pub- 
| brief notice of fossils from the same region in the Proceedings of 
the California Academy of Sciences for October, 1864, vol. iii. 
