Bibliography. 383 
were not obtained. We are at a loss how to reconcile these contradic- 
tory statements, and still more to understand how so astute a chemist as 
Dr. Christison is believed to be, could give his sanction to any thing of 
so extraordinary a character, unless the facts were as stated by Dr. 
Brown. It is to be hoped so singular a pbs should not be dropped 
until the truth is ascertained. 
- The other articles contained in this volume, are Prof. Subate Pa 
(and last) series of researches on heat; also, an account of some addi- 
tional experiments in terrestrial magnetism made in different parts of 
Europe in 1837. Rev P. Kelland on the plane and angle of polariza- 
tion of light reflected at the surface of a crystal. Dr. W. P. Alison, 
on certain physiological inferences which may be drawn from the study 
of the nerves of the eyeball. Dr. T. S. Trail, on the fossil fishes of 
the old red-sandstone of Orkney, particularly of an undescribed species, 
Diplopterus Agassis.. John Goodsir, Esq. on the mode in which mus- 
ket balls and other foreign bodies are inclosed in the ivory of the tusks 
of. prise erento plate.) Rev. P. Kelland, on the theory of 
waved! Dr. T.'S > examination and sis of b or 
aad , confines of Swedish Lapland. A. 
Cokmell: Esq.; further researches on the voltaic dee x 
ous and alcoholic solutions. Dic Sasa entes teers 
of paracyanogen in large quantities; and on the isomerism of cyano- 
gen and paracyanogen. John Stark, on the supposed progress of hu- 
man society from savage to civilized life, as connected with the domes- 
Weation of animals and the cultivation of Cerealia. Johanne Miche- 
loti de Solariis in Supracretacis Italie Stratis repertis, (Tab. I.) 
Prof. Forbes on the theory and construction of a seismometer, or instru- 
ment for measuring earthquake shocks and other concussions, (plate 3). 
Dr. Samuel M. Brown, experimental researches on the production of 
silicon from ani tageniet oes Goodsir, on the pares eve 
14. First sewed Rajor! on the io andung of the state of. New Heng 
shire; by Dr. Cuartes T. Jackson, state geologist. 8vo. pamphlet, 
164 pp. . Concord, N. H. 1841.—The labors of Dr. Jackson in Maine 
and Rhode Island have, we trust, been familiar to our readers, by our 
Rotices in former numbers of this Journal, and we now congratulate 
him and the state under whose authority the present report is made, 
upon his appearance in a new field of labor. As it is understood that 
this report is only prefatory to a more full and elaborate one to be 
published on the completion of the commission, we shall not attempt 
its analysis, but content ourselves: ore or two of the 
most i pees to ascertain, 
aeRO SE ey \ ta tinieee ened 
