nlitnuil limn ;><!;/# .'( of Cnrtr.J 



VOLUME 13. 



I Hobbb, B W Btud Pluortte IV The Kathodo-Lnmineaccnce of Fluorite. pp.1 



1 pi. June, 1907. 

 •J. Omuuinam, 3. M. I I NewBp x - ru/onfromJM '■ 



I: I New r otl taworthj Bpermatophytes, chiefly from Mexico III- R 



It. 1,.. an i. II H New 1 "1 nit - from Gautemaln aikI M 



chiefly by C. C. Deam; IV. | Kkhnu.ii, .M L. DiagnOMt <■( New Bpennatophyt«i 

 New Mexico, pp. 17 <'.H .1 1 1 1 1 • ■ . 1901 ."><>•'. 

 Mm: ... I I , and Oopbxaktj, M — Maturatioi - n tin- SiM-nnatofjenesis ol t'espa M 



lata Linn, pp. ('.'.i-74 Jinn-, r.xi7. 16c. 

 I. l:i 1. 1.. L The Physiological Baals of Illumination, pp. 76-96. Beptember, 1901 

 '' On the Determination of the Magnetic Behavior of the Fim 

 an Electromagnet while a Steady Current i» bein( I bed in the Exciting OotL ppt 



97-182. September, 1907. fl.20. 



6. Siii'hhK.MAUKN. 0. L. B. — The Demagnetizing Factors for Cylindrical Irou Rods, pp 



September, 1907. $1.16. 



7. Lbwis, O. N. — Outlines ol tern of Thermodynamic I 



1907. II 



K.. and Bui k. O. P. — The Quantitative Determination <>f Arsenic by th 

 Method, pp. 295-324. 2pl. October, 1907. 40c. 



I: . and Black, 0. r Phe Determination ol Arsenic in Urine, pp. 

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