I Con t inued limit |»<if/e .'< 0/ Cover.) 



VOLUME 13. 



i Hmu,B V7.— Studies on Fluorite i\ rhe K»thn.io-Liiiniiie8oeuc«of Flnorite. pp.1 lc'.. 

 l pi. June, 1997. 35c 

 Bmwuii, J. ML— (1 NewSpeoit (romMexioo; n Blow 



B i- Ne« or otherwlM Noteworthy Spermatophytea, chiefly from Mexico; illt.i Kosia- 

 B. I. . end iuhtlett, H. H. Rn Plants ft m Qautemala and Mexico .■■ I 



■ I Deam; tV.) Kkunm.i.. ML l - Diagnoses of Bea Bpermatophytea from 

 Mexico, pp. 17-48 June, 1907. . r >"'' 



3. Mvkh. I. L., and O'I-eianii. M. — Maturation Stage- hi the Sperin.it>. • \. |..i iii i. ii. 



lata Linn pp. 89-74. .lime, 11)07. 1 



4. Bell. L — Tue Physiological Beats bl [Rumination, pp T6 tember, 1907. 30c 



6. Para a, u 0. — On the Determination of the Magnetic Behavior of tlie Finely Divided Oon of 

 an Electromagnet while a stead) Current i-, being Established In the I [citing ObiL pp. 

 97-182. s ptembar, 1907. S1.20. 

 - i. em ages. C. L. B. — The Demagnetizing Enactor! tor Cylindrical lr..„ Rode, pp, 183 

 ■September, 1907. 51.15. 

 7 Lawn, G.N. -OuUiuesof aNew8yatemof ThennodynamicCnemiatry. pj October, 



17. 10c 



•k. ( i: . and Bla,cx, O. F. — The Quantitative Determination oi Araenic by the Oi 

 Method, pp. 296-324 2pl. October, 1907. 40c. 

 9. 8anobr, 0. K.. and Black, O. F. — The Determination of Araenic in Urine, pp. 3.&-340. 

 October, 1907. '-'"*. 



10. EUobabim, T. w.. and Wkede, F. — The Transition Temperature oi Manganoua OhloricV \ 



Xew Fixed Point in Thermometry, pp. 341-350 November, 1907. 20o. 



11. Ki i i. V A , and Averv, A H. — Difference in W.ne-l.engths of Titanium AA 3900 and 3918 



in Arc and Spark, pp. Ml -3rd. November, 1907. 'i5c. 



12. Baxter, O. P., and Wilson, J. H. — A Revision ol the Atomic Weight of L«ad. Preliminary 



Paper.*- The Analysis of Lead Obloride. pp. 363-373. December, 1907 16c 



13. ! W.— A Simple Method of Meeenrlng the Intensity of Sound, pp, 375-895. Febru- 



ary, 1908. 3IK-. 



14. Taowaaroox, JT. — Longitudinal Magnetic Field and the Cathode Ray* pp. 397-404. Febro- 



ary. 1908. 16c. 

 1"> I'.ki i.. L. Note on Some Meteorological Uses of the Polariscope. pp. 406-412. Mart h, 



I90& 15c. 

 1C. Passu, a. H. — The Senaory Eeactionaof Amphioxua. pp. 418-466. April, 19 

 17. I»i. key. \V. P. — On Delays before aia-yiujpi<T<i-? iu Greek Tragedy, pp, 457-471. May, 1908. 



1- RlCSAUM, T W., and Rowe, A W. — A New Method for the Determination of the Spi 



Beats oi Uquida. pp June, 1908. 26c. 



19. Nf.wmall. S. H. Pisistratus and His Edition of Homer, pp. 489-610. June, 1908, 



20. TnowauDaa .' Positive Rays pp. 611-617. June, 1908. 16c 



EUob \Rt>-. T. W.. and Mathews, .1 H. — Oonoerning the Use of Electrical Beating In {fractional 



Distillation, pp 519 524. June, 1908. 15c, 

 1 • ord ol Meetings; Biographical Notice; OfBoen and Cpmmittees; Li~t of Fellows and 

 iv 1 1 H .no[.ir) Members; Statutes and Standing Vote*, etc. July, 1908. r >-V. 



