// till in <f J l urn i>ili/r .'{ ii] CiiVrr.) 



VOLUME 43. 



i. Moksb, H. W. Btudlea on Fluorlta i KaAhodo-lAimmesoenceof Fluorite. pp.1 



i pi. .1. , r.tov. 36c. 



.. .i II. 1 1 New Bpecli tlon fron M 



\. » or otherwise Noteworthy Bpermatophytes, chiefly from Mexico; ill. i 

 is. I... ind Babtlbtt, ii ii New Punt* from Qautemala and Mexico collected 

 chieflj bj C. C. I'.. mi. IV.' H'l.ii-. ui., M. I,. i Spermatophytea from 



Mexico, i • | > . IT 68 Jane, 1907, 50c. 



kTABK, i .NIi. M. — Ml itm.it i ii tin- S|.i-iin.ii if Vespa m.i.n- 



1 it.i l.iiiii. pp. 69 7 1 J, , 1907. i 



I Bill, L, The Physiological Baals 01 Illumination, pp. 76-96. September, 1907. 



6. l " • 1 1 ■ . i . B. O. On the Determination of the Magnetio Behavior of the Fine!} Divided Core oil 



an Electromagnet while a Steady Cnrrenl la being Established in tin- Exciting Oofl. pp. 

 September, 1907. $1.20. 



6. Bhuddbmasbr, C i.. B. - The Demagnetising Factors for Cylindrical Iron Rods. pp. 183 266. 



ember, 1907. $1.16. 



7. Lewis, O.N — Outlines of a New System of Thermodynamic Chemistry . pp 



1907. : 



I K. and Black, O. F. — The Quantitative Determination of Arsenic by t! 

 Method, pp. 295-324. 2 pi, October, 1907. Wc. 

 '■'■ - i l:.. and Black, O. F. The Determination oi Arsenic in (Trine, in-. 326-340. 



<> itober, 1907. 26c. 

 in. It ifii \ki.-. T W., iiii.i Wiikiik, F. The Transition Temperature oi Manganous Ohloridi \ 

 New Fixed Point in Thermometry, pp.341 330. November, 1907. 20o. 



11. Kim. N. A., and Aw:ky. ah.- Difference in Wave-Lengths <>t Titanium M 3900 and 



in An- ami Spark, pp. :;:,i 361, November, 1907. 26c. 



12. Baxter, O, P., and Wilson, J. H. — A Revision ol the Atomic Weight ..f Lead. Prelimmary 



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



13. I W. -A Simple Method of Measuring the Intensity of Sound, pp.376 196. Febru- 



ary, 1908. 30c. 



14. Tbowsbidoe, J Longitudinal Magnetic Field and the Cathode Rays. pp.397 l"l. Febra- 



ary, 1908 16 

 16. Bbll, l.. Note "ii Si. in.- Meteorological Uses of tin- Polariscope. pp. 406-412. March, 



1908. !•"• i. 



16. pABKBB, O. H. —The Benaory Reactions of AmphioxoB. pp. 413-455. April, 1908. 



17. Dickby, W, P. — (in 1 1 lays before d^ayi-iopiVrtis In Greek Tragedy, pp. 467 171. May, 1908, 



1-. Richards, T. W., and Rows, A. W.— A New Method for the Determination of the 8peciflo 



Heal "i Liquids, pp, 173 188. •'> 1908. '-' 



Newhall, s. H. Pisistratus and Hi Bdition oi Homer, pp. 189 510. June, 1 



20. I .1 Positive RayB. pp.611 517. June, 1908. l&o. 



21. leu n ibds, T. W., ami M u m « >. .1 il — Concerning t he Use of Electrical Beating in Fractional 



l», Mii.it i, ui. pp. 519 524, .in,,,., 1908. 15c. 



