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CONTENTS. vu 
1, Page. 
XXXIV.—On the Magnetite in the mica of Pennsbury, Pa., 
in reply to Prof. G. Rose; - James D. Dana and 
Grorce J. Brusg,. iowa etwas weit 360 
XXXV.—On the probable rile of Albertite ‘ih allied 
minerals; by 8, F. PECKHAM,...i)......0.0 ee eee cece 362 
_XXXVI—On a new method of observing contacts at the 
Sun’s limb, and other spectroscopic observations during 
the recent ‘Eelipse; ; by Prof. C. A. Youne,........... 370 
. XXXVIIL—Notes on the Geology of Western Texas and of 
Chihuahua, Mexico; by James P. Kimpatt,.........- 378 
XXXVUL—Contributions to Zoology from the Museum of 
. Yale College. No. IV.—Abstract of a Notice of the 
Crustacea collected by Prof. C. F. Hartt, on the coast 
* of Brazil in 1867; by Smpney I. Smiru,..........-... 388 
XX XIX.—Notes on some new Mosasauroid Reptiles feo : 
- the Greensand of New Jersey; by O. C. Marsu,...... 392 
XL.— Description of a new and gigantic fossil Serpent 
_ (Dinophis grandis), from the Tertiary of New Jersey; 
by 0: ©. Mammon be. 2. Se ee ee ee 397 
XLI.—Discovery of a new Planet, the 109th; by Dr. E. ‘HL 
BUGRG 0 Soe pecs reese ese lee cee e Weg ree es causes 400 
SCIENTIFIC INTELLIGENCE. 
Physics. —Observations on the protuberances of the Sun, ZOLLNER, 401.—On a 
method of viewing the solar prominences without an eclipse, Huggers, 401.— 
‘Researches 
Stars and Nebule, FRANKLAND and LOCKYER, 4! 402. —On the physical constitution 
of the Sun, LockYER, 403.—On the ultra violet Spectra, MAscarT: On the spec- 
trum of the Aurora Borealis, 404.—On a new element associated with Zirconium: 
Additional observations on Hydrogenium, 405.—On the mae of ROLES, 
_ acid: On a new mode of formation of the nitro-prussids, 406.—Researches 
Vanadium, Roscoe: On a new apparatus for the measure of the thermic sh 
# sion of solids, Prof. J. Mutter, 407.—On a new Acid of Sulphur, ScnuTzen- 
BERGER, 408.—On the use of Thallous oxyd as a test for Ozone, 410.—On the 
preparation of concentrated vr tat se ViGrER: he nave Benen of platinum 
Compounds, SCHNEIDER, 411.—P: t te, 412.— 
‘On Potassic and Sodic Ethylates,: Ona aa radical, ‘Eth: ylene-sodium, and its 
: ee WANKLYN, 413.—On some Acetyl compounds of the Carbonhydrates, 
i UTZENBERGER and Navpry, 414.—On the relation of Amylene to oil of Tur- 
+R atine Baver and Verson: On the products of the oxydation of aes 416. 
Geology.—Geology of street James M. Sarrorp, 416.—Geological Sur 
Ohio, 417.—Earthquake in New England: Synthetic mec rel 
Meteorites, M. DAUBREE, agp Ore east Minérales, DauBREx, 419. 
