( Continued from /></</»• 8 >>/ Covrr.) 



VOLUME 13. 



i a Flnorltc iv. The KAthodo-Lmninemenoa of Ftaorite. pp.1 



1 pi. Jane, l'.OT 

 2, i M — (I ) N - ivton from Hexli ".II B 



or otliei wise Nbtewortbj Bpei matophytea, chiefly from Mexico . in 

 i md I'.Mui.KTT, H. H New 1 * 1 . 1 1 1 1 .-. in. in Oautemala and Hexlco ooUected 

 chi ■ ■ D im; IV. Pbrhald, m L Dli I Not Bpermatophytes from 



G8. June, i'.hit. 

 ■ ; . 10 ill vni>, M. — Maturation Btagea in tin- SpermAtogeneeU ol Veepa Maeo- 

 i ii.n. pp. ' 1 1 June, I'.hpt. 16c 

 I. r.iii. I. The Physiological Baaia ol Illumination, pp. 75-48. Beptember, 1907 30e. 



a, B. O. On the Determination oi the Magnetic Behavior <A the Kin. l> Divided Oora ol 

 an Electromagnet while a 8teady Current la being BetabUahed in il»- Exciting CofL pp. 

 97-182. September, r.wiT. $1.20. 



8. Bbod • i B.— The Demaguetizin( for Cylindrical Iron Bode, pp. 183 



Beptembe 11.15. 



\ —OutUnee of a New System of Thermodynamic Chemistry, pp tober, 



1907. We 

 x. - K . and Black, O. F. — Tin- Quantitative Determination oi arsenic by tl 



Method, pp. 296-324. 2 pi October, 1907. 10c. 



9. - B., and Black, O. F. —Tin- Determination ol Arsenic in Orine. pp. 326-340. 



October, 1907. 26o. 



10. Biohard I w.. and W'REnE, F. — The TranBitlon Temperature "f Manganoui Chloride: A 



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



11, Kent, N. A. :m<] Am i:y. \ n Difference in Wave-Lengths Of Titanium AA 3800 and 3913 



in Arc and Spark, pp. 351-361. November, 11)07. 26c 



