i Continued from ;<<!</»■ .'( <■/ Dot 



VOLI'MK 13. 



1, Mouse. H. W, Btudies on Fluoriti IS The Katbodo-Luminesoenoe of Fluorite. pp.1 16 

 1 pi. Juue, 1907. 3-V. 9 



.i m i New Species of Seneeio and S Mtion from Mexico ; (II B 



It I New or otherwise Noteworth) Bpennatophytes, ohieflj from Mexico; (III i. 



B. I... and Babtlbtt, h. h New Plants from Qautemala and Mexico collected 

 chief]] by C. 0, Deam; 1 1 in. m L D i Bpermatophytes from 



Mexico, pp iv 68 June, 1807. 



8, Hark, B i. . and Gopbxaiid, M. — Maturation Btaget in the Spermatogenesis ol Vesps Moou- 



lata Linn pp. 69 V I Jane, 1907. 10c 

 L I'.iii.i. The Physiological Basis ol Illumination, pp. ?r. *.»<"•. September, 1907, 80c" 

 ; sol B 0. — On the Determinal Ion ol the Magnetic Behavior of the Finel) Dividi 



an Electromagnet while a Steady Current la being Established in the Exciting Coil. pp. 

 87-182. SepteinlMT, I'.kc. fl.-jo. 



6. Bhuddkkaohh, 0. L B. — The Demagnetizing Factors tor Cylindrical Iron Rods, pp 



Beptember, 1907. 11.16. 



7. I.iwi.c.n — Outlines of a New System of Thermodynamic Chemistry, pp.267 293. October, 



1907. liv 



lit. C. K . and Blair, 0. F. —Tin' Quantitative Determination of Arsenic by the Outsell 

 Method, pp. 296-324. 2 pi. October, 190T. 40c. 



9. Bakskb, •'. K.. and Black, O. K. The Determination of Arsenic In Urine, pp 



October, 1907 4 

 10. Riohabdb, T. W., and Wrede, F. — The Transition Temperature ol Manganoua Chloride: A 



Nev. Fixed Point in Thermometry, pp. 341-360; November, 1907. 20c 

 11 Kent, N. a., and Aveky, A ii. Difference in Vi ths of Titanium AA 8900 and 3'.'13 



in Arc and Spark, pp. 361-361. November, 1907. 26c 



12. Baxter, G. P., and Wilson, J. H. — A Revision of the Atomic Weigh! of Lead. Preliminary 



Paper. Tin- Analysis of u-atl Chloride, pp. :u 13-873. December, 1807. 16c. 



13. Pzra a, c. W. — a Simple Method of Measuring tin- intensity of Sound, pp. 875 395. Febru- 



ary, 1908. 80c 



14. Trowbusob, J. — LoBgitttdinal Magnetic Field and the Cathode Ray*, pp.897 104. Febru- 



ary, 1908. 16c. 



