Miscellaneous Intelligence. 145 
Brief ee oe genera} description of a remarkable fossil, not known to be de- 
seri e supposed to be an Ichthyodorulite. By Prof. Wm. Aly a 
of owas College, Lima, 
On the absence of the evidence of remains of fishes in all the Silurian rocks of 
the United States. By Jam 
Is Sige eniciag oe coke of bitaainges onl By Prof. B. Silliman, Jr. 
n phosphatic organic remains in the Paleozoic rocks. By 7. 8. Hunt, of the 
ny ae Doll of Can: 
ede goes Limestone of North America, By 7. S. Hunt, of the Geo- 
iene: tiged of Car 
Remarks upon the geological formation of the country along the line of the bound- 
ary survey, wae upon the examination of Dr. Parry, made under the order of Ma- 
m iL 
. James Ha 
n the western limits of the Cretaceous formation on the northern continent of 
America, as evidence by the various : dollaetlond that have been made by explo: ring 
ro Tae under the direction of the government of the United States, By Jam 
Geology of we pfead mines of Wisconsin, By Edward Daniels, Geologist to the 
State of Wiscon 
ce — age of the so-called new red sandstone of the United States. By Prof. 
og 
Hed datidstone of fra Connecticut River Valley, and the proofs of its Oolitic or 
es Hall, 
Peg 
A description of a oar ‘dilavial ie in Campbell Co., Ky., with a catalogue of 
the fossil remains, By W. H. B. Thomas, of Cine innati, Ohio. 
Sketch of the general geological sioner of the region of country in connection 
with the United Stat os and Mexican boundary line. By C. C. Par: 
n the chemical compost ition and metamorphoses of some sedimentary rocks. By 
1 8. Hunt, of the Geol, Surv vey of Canada. 
Some com oon ne ions on the carboniferous strata of North America. 
By Prof. ¥ b: Rog 
ile te phenomena of cleavage structure, and metamorphism in coal and other 
y Prof. H. D. ers. 
we id iealony of ike Lower Rio Bravo. By Arthur Schott (read by aad 
mo: 
The Silurian ‘and Devonian systems; and the nature of the evidence for drawi 
a line of = saseme ight fap two systems in the United States. et 2 — —- 
bsery: $ upon th logy of the Mauvaises Terres, Nebraska, 
i eeographicl and * geclogiel range of some of the fossils of arty pints “yy 
marks upon a collection of | Aone sig from Ni ——s and the absence of 
Species kno hown in the southern exten of t same format Ji Rall. 
£ 
i 0 
i W - : . 
s i of each species obtained from a limited locality during a period of 
aes, 
the reproduction of s or representative pees Sea 
logical formations, Tluneared 4 yc eatlection of species of the Brachio ode from the 
ae Mg a da er Helderberg groups of the Paleozoic rocks of the tates, 
(4.) Chemistry. 
On the ssa # hiyctrogem gas to displace aie tock hydrogen in the analysis of 
Profs. W. B. Rogers and 
oulustrations of she caieal hom alaion By ZS. Hunt, “of the geological survey of 
and an- 
Decomposition of ater at the ordina: nce nt oma 
Cet i With a description of a ‘ive feito procuring hydrogen. By Josiah P. 
A new filteri osiah P. Cooke, Jr. 
Ona re form of electrical machine By @. C. Schaefer. 
uretted and ed hydrogen, and their relations to 
Teale By Prof. Raphael Napoli, of Naples. 
Stcoxp Serres, Vol. XVIII, No. 52.—July, 1854. 19 
