nihtifil limit fitiijr .'< ../ Currr.J 



\ OLUME 13. 



! DFluoritC IV Tii. iKathodo I.iiii.iii.— MM e of Flilonte. pp.1 16 



I u i \ tulon in. in Kexii o; 1 1 Rom 



1; | I Notewoiffa] Bpermatophytes, i ■liiwty fi.nii M.-\i. •• 111 ROUX" 



hi Babturt, ii H New riant.-, from Qeutemala and Mei ted 



,l, • |. in. IV.) Kkknm.h, M L, - ■•( Nee Bpermatophyti 



- June, r.Hi? 60e. 

 : . .m.l Copelanh, M — Maturation Btagei in the Bpermati M 



lata Linn pp.69 .1 June, 1907. 15c 

 i cm . i. the Physiological Baaia of illumination, pp. 76-96. September, 1907. 80a 



0. - <>n the Determination ..f the Magnetic Behavior ..f th<- Pmel] Divided I ore • •( 

 an Electromagnet while a Bteady Cnrreni la being Established in t)»- Exciting Coil. pp. 

 97 182. s, ptember, 1907. 11.20. 

 -■iii.i.nniiBs. 0. L. B. — The Demagnetizing Pactors for Cylindrical [ran Bods, pp 

 Beptember, r.x>7. $1.16. 



\ — Outlines of a Hew System of Themodyiiamlc Chemistry, pp 

 1907. Mo 

 ■ in. C. K . and Black, O. F. — Tii.- Quantitative Determination ..f Arsenic bj the Outxeit 

 thod. pp. 296-324. 2 pi October, 1907. 40c. 



.. 0. K . and Bi-ai k, 0. P. The Determination of Arsenic in Urine, pp 

 October, I'.hit. 26o. 



10. Biobabim, T. W., and Wrede, F. — The Transition Temperature ..f Mangaaoua Ohloridt I 



Ne* Fixed Point in Thermometry, pp. 841 360. November, 1907. 90c. 



11. K. it, Iff. A . and Avery, A. H. Difference In Wave-Lengths of Titanium AA 3900 ami 31H3 



in An- and Spark, pp. 361-361. November, I'.hit. 'J5c. 



12. Baxter, <;. P., and Wobob, J. H. — A Revision ol the Atomic Weight ol Lead. Preliminarj 



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

 djlG W.— A Simple Metlrod of Measuring the Intensity of Sound, pp. 376-386. Febru- 

 .iry. 1908. 30c. 

 14. TaowHRlDOB, J Longitndinal Magnetic Field and the Cathode Rays. pp. 897-404, Pebro. 

 ary. 1908 16 



