iii, mi. tt j in m /hi,/, ;t i, i Cover,) 



VOLUME 13. 



i 



8. 



10. 



11. 

 12. 



1 1 

 15. 



B, H. W. : luorite: (IV. ■ Th- Katlio.l.»-l.ii!iiiiifMouceof Fluorit#>. pp.1 16, 



i pi June, 1907. SSa 



11 Ii in M. \i. ... II . KiiBINkuS, 



B I r otherwise Noteworthy Spennatophytes, ohiefiy fr Mexico ; 111- R 



n,i Baktlktt, H. H. — Hew Planta tram Qaatemaia and Hexioo coH 

 chiefly by 0. C Deam; IV.i Kf.b-.uh, M \. Duujnoaea oi 8 nytea from 



Nen Hexioo pp 17 68 Jim.-, 1907. "><><•. 



I. . .in. I OOFS ask, II. — M.it ur;it i. 



lata Linn pp. 69 74 June, 1907. l i 



I. rii.- Pbyaiolot ol Iiiiiiniii.it i<<n. pp. 7.". 98. Beptember, 1907. 



Pmbce, i On the Detenntoatl f the Magnetio Behavior of the Finely Divided Core of 



ectromagnet while a Steady Current la being Established to the Exciting (.'i.il. pp. 

 97-182. Beptember, 1907. 11.20. 

 Sin i.i.rmaoes, c. L. B. — The Demagnetizing Factors for Cylindrical Iron Bode, pp 



Beptember, 1907. 11.16. 

 i.f.ii.. <.. \ OutUnes of a Hew ByBtem of Thernu>dynamic Chemistry, pp. 2fj7 293, Ocl 

 1907. 40c 



ii. 0. K . and Black, O. P.— The Quantitative Determination of Axsenii by tl 

 Method, pp. 295-324. 2pl October, 1907. Kte. 



>ii, c. ft., and Black, O. P. —The Determination of Arsenic to inn,-, pp 

 itober, 1907. 25c. 

 Bu baboo, T. \\\. ud Wrede, P. — The Transition Temperature of Manganoua Chloride \ 



New Fixed Point in Thermometry, pp. 341 350. November, 1907. 20c. 

 Kim, N. a., and Avery, A. H. Difference In Wave-Lengthi of Tttaninm a,\ 3900 and ! 

 to Aro and 8park. pp. 351-301. November, 1907. 



and Wobon, J. H. — A Revision o) the Atomic Weight of Lead. Prelimtoarj 

 Paper. The Analysis of Lead Chloride, pp. 363-373. December, 1907. 15c. 

 TiKiKK, (;. W. — A Simple Method of Measuring the Intensity of Sound, pp. 375 395. Febru- 

 ary, 1908. 30c. 



■in!.,. i. J Longitudinal Magnetic Field and the Cathode Rays. pp.397 104. Febru- 

 ary, 19 B 15c. 



L. Note on Borne Meteorological Uses of the Polariscope. pp. 405-412, March, 



