ne 
8 8 
BBR 
25e. 
Rew of itn Bocarieeeesrs Notices ; Officers 
VOLUME 44. 
Irwin, F.— The Invariants of Linear Differential Expressions. pp. 1-60. November, 1908. 
$1.50. — 
Peirce, B. O. — The Damping of the Oscillations of Swinging Bodies by the Resistance of the 
Air, pp. 61-88. 4 pls. November, 1908. 40c. 
Ricuarps, T, W. — Note Concerning the Silver Coulometer, p » 89-94, November, 1908. 10c. 
Kennewiy, A. E. — Artificial Lines for Continuous © Currents in the Steady State. pp. 95-130, 
908. 
Morautis, 8.— The Effec t of Alkaloids on the Early Development of Toxopneustes Variegatus. 
pp. 131-146. pete 1908. 
Morgan, M. H. face of Vitruvius, pp. 147-175. January, 1 35c. 
Baxter, G. P., irs f= ta OFFIN, F. B.— A Revision of Ne Atomic Weight of Aree Preliminary 
‘aper. aa Annlyaia of Silver reece pp. 177-197. January, 1909. 
Bripemayn, ig a tatic Py (I.) ‘A eel Primary 
Gauge. pp. cer February, 1909. 30c. 
Brrpeman, P. W. —The Measurement of High Hydrostatic Pressure. (II.) A Secondary Mer- 
cury Resistance Pee PP eda Fobraary, 1909, 50c. : 
Brwwemax, P, W.— rim f Certain Compressibilities. pp. 253-279. 
Peirce, B. O. —The oe of Ballistic Galvanometers of Long Period. pp. 281-314. 1 pl. 
March, 1909. 
a. W. —Cr vated Rectifiers for Electric Currents and Be I eee i ) Car- 
borundum, py eageepe , Anatase, Brookite. pp. 315-349. 
Prince, B. 0. — On he Magnetic Behavior of Hardened Cast i and of Loe oat ‘Bteels 
at High tata pp. 351-364, March, 1909. 30c. 
Morsz, H. W., and Sauppemacen, C. L, B, —The Properties of an Aluminium Anode, pp. 365- 
897 50c. 
Baxter, G. P., Muetxer, E., and Hoves, M. A.—A Revision of the Atomic ee ae of Chro- 
mium. (I.} The Analysis of Silver Chromate. pp. 399-417. March, 1909 
Baxter, G. P., ar , R. H., Jr. — A Revision of =e sega ight of Chromi (IL) 
1 
Leaca, Tha Ralati £ tha W, . sey an English Ch mm 1066-1899, and their 
40c. 
Phan Th 
the Southern United States ; (VIII.) Bartierr, H. H.— Descriptions of Mexican 
gams. pp. 561-637. May, 1909. 8c. 
Patacue, C., and Wvop, H.-O a apse he Notes on Minerals from Chester, Mass. 
a to the 
Moreutis, S.— Regeneration ——, the BrittleStar Ophiocoma Pumila, hang Reference 
Influence of the he Nervous System. pp. 653-659, 1 pl. oe 1909. Oe ee ae: 
Lanman, C. R. their Brief D 661- ’ 
sopcige N., and Toran, R. C. — The Principle of Sailer, ool Non-Newtonian Mechanics. 
709-1 July, 1909. thas oF m aa 
85e. 
oreign H mbers ; Statutes and Standing sit ete. Beptember, 008. 
(Continued on page 2 of Cover. J 
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