VOLUME 38. 



1 Mabery, C F. — An Apparatus for Continuous Vacuum Distillation, pp 1-0. June, 1902. 10c. 



2. Thaxtbr, R. — Preliminary Diagnoses of New Species of Laboulbeniaceae. — V. pp. 7-58. 



June, 1902. 45c, 



3. Johnston, J. R. — On Cauloglossum transversarium Fries (Bosc). pp. 59-74. 1 pi. July, 



1902. 20c. 



4. Robinson, B. L. (With the collaboration of specialists.) — Flora of the Galapagos Islands. 



pp. 76-270. 3 pis. October, 1902. §2.40.' 



5. Richards, T. W. — Concerning Gas-Analysis by Measurement in Constant Volume under 



Changing Pressure, pp. 271-279. October, 1902. 10c 

 0. Mabert, C. F., and Shepherd, L. — A Method for Determining the Index of Refraction of Sslid 

 Hydrocarbons with the Pulfrich Rafractometer. Index of Refraction of the Solid Hydro- 

 carbons in Petroleum, pp. 281-290. October, 1902. 10c. 



7. Richards, T. W. — The Significance of Clianging Atomic Volume. III. -.The Relation of 



Changing Heat Capacity to Change of Free Euergy, Heat of Reaction, Change of Volume, 

 and Chemical Affinity, pp. 291-317. October, 1902. 35c. 



8. Richards, T. W., and Stull, W. N. — The Speed and Nature of the Reaction of Bromine 



upon Oxalic Acid. . pp. 319-337. October, 1902. 25c. 



9. Dunkel, O. — Regular Singular Points of a System of Homogeneous Linear Differential 



Equations of the First Order, pp. 339-370. October, 1902. 50c. 



10. Porter, R. A. — The Influence of Atmospheres of Nitrogeu and Hydrogen on the Arc Spectra 



of Iron, Zinc, Magnesium, and Tin, Compared with the Influence of an Atmosphere of 

 Ammonia, pp. 371 379. November, 1902. 15c. 



11. Palache, C, and Fraprie, F. R — 1. Babingtonite from Somerville, Mass. 2. Babingtonite 



from Athol, Mass. pp. 3S1-393. 2 pis. December, 1902. 25c. 

 12 Crew, H., and Baker, J. C. —On the Thermal Development of the Spark Spectrum of Carbon, 

 pp. 395-40G. December, 1902. loc. 



13. Richards, T. \V., and Stull, Wi N. — The Universally Exact Application of Faraday's Law. 



pp. 407-413. December, 1902. 10c. 



14. Richards, T. W., and Mark, K. L. — An Apparatus for the Measurement of the Expansion 



of Gases by Heat under Constant Pressure, pp. 415-428. December, 1902. 20c. 



15. Richards, T. W., and Wells, R. C. —The Transition Temperature of Sodic Sulphate Referred 



anew" to the International Standard, pp. 429-440. December, 1902 15c. 



16. Richards, T. W., and Archibald, E. H. — A Revision of the Atomic \\ ;ight of Caesium. 



pp. 441-170. January, 1903. 35c: 



17. Van der Vries, J. N. — On the Multiple Points of Twisted Curves, pp. 471-532. 1 pi. 



January, 190:!. 75c. 



18. Castle, W. E. — Mendel's Law of Heredity, pp. 533 548. January, 1903. 20c. 



19. Peirce, B. O. — On the Temperature Coefficients of Magnets made of Chilled Cast Iron. 



ii». 8*3-556. February, 1903. 10c- 

 20 NICHOLS, E. F., and Hull, G. F. — The Pressure due to Radiation, pp. 657-599 April, 

 190:;. 60c. 



21. Castle, W. K., and Allen, G. M. —The Heredity of AlMni pp. 601-622. Apr., 1903 



22. Morse, II. '.v.. and Ptjsbob, O. W. — Diffusion and Supera*. .. min Gelatine, pp. 623 



M iy , 1903. 40c. 



23. I'eii;. h. b. O. — On the Thermal Conductivities of Certain Pieces of Bock from the Calumet 



and Hecla Mine pp. 649-660. May, 1903. 16 



24. I'eikce, B. O. — On Families of Curves which arc the Lines of Certain Plane Vectors either 



Solenoids! or Lamellar pp. 661 678. May, 1903 20c. 

 26. Teowbridob, J. — The Speotra oi Gases and Metals a1 Sigh Temperatures, pp.679 

 1 pi. May, 1903. 20a 



20. Records <>f Meetings; Biographical Notices; Officers and Committees; List of Fellows and 



ign Honorary Members; Statutes ami Standing Votes, etc. COo. 



(Continued nn page 9 of Cover, ) 



