L.—How to find the Key Note of Auditoriums; be E. ee) 
CUTTERS foo Fo Oe eee  449- y 
L].—Stratigraphy of the nee Coal eae by Ey ae | 
3 Haworta. With Plate IX .._os_.0 22... 2 
LII.—Igneous Rocks of Yogo Peak, Montana; by W. H.~ ie | 
“WEeEp and: L.<V PinssoN- ei ee 467 «|G 
LIII.—Preliminary Note on a new Alkali Mineral; by W. — a 
MivRPoormn ee co Se eee ee ee _, 0 
ON 
Art. XLVII. empenstice v ariation of the Thermal Gan ae 
duetivities of Marble and Slate; by B. O. Prince and 
RY Wee WaLEse nw soos LS ee 
~ 
XLVILl.—Central Michigan a the Post-Glacial Submer- o 
sence; by die: Mupen 2 see eee 2. eee 
XLIX.—Devices for the Separation of Minerals of bigh a 
specific oravity “by 8. L. PanweLp 2.23222 ee - 446 71 
LIV.—Three-toed Dinosaur tracks in the Newark Group at a | 
Avondale, N. Jes by J. BW oopworRth oo ee a, = S | 
LV.—Affinities and Classification of the Dinosaurian Rep- a 
tiles; by O. C. Marsu. With Plate-Xio ee 483 aa 
— 
SCIENTIFIO INTELI”™ ENCE. 
Chemistry and Physics—Method for completely dehydrating Alcohol, H. Wis- 
LICENUs and L. KaurMANN: Carbon in Meteoric Irons, Moissan: Study of 
Amorphous Boron, Morssan, 499.—Preparation of Tin Tetrachloride and Tetra- 
bromide, Lorenz, 500.—Argon and Helium, BoucwarD: Photography of Colors 
by the indirect method, A. and K. LUMIBRE: Spectrom’ of Cannon of the electric - 
Geology and ercida y—Underground temperatures at great ee ASS — r 
iG 
siz 503.—Geological Atlas of the United ee a — Economic and Geolo 
507. 
Botany—Sixth Annual Report Missouri Botanical Garden, BOT. —Index K 
508, . 
Excursion en Corse, PRINCE Re Hoye a Soe. 
INDEX TO VOLUME L, 510. 
