54 CARNEGIE INSTITUTION OF WASHINGTON. 



St. John, Charles E. Radial motion in sun-spots. (Astrophys. Jour. June 1913. 



Contr. from Mount Wilson Solar Obs., No. 69.) 

 . Radial motion in sun-spots. (Read before Internat. Union for Cooperation in 



Research. Aug. 1913.) 

 • . The international standards of the second and third orders. (Read before 



Internat. Union for Cooperation in Solar Research. Aug. 1913.) 



and L. W. Ware. Tertiary standards with the plane grating. The testing and 



selection of standards. 2d paper. (Astrophys. Jour., vol. 38. 1913. Contr. from 



Mount Wilson Solar Obs., No. 75.) 

 StOrmer, Carl. On solar vortices. (Read before Internat. Union for Cooperation in 



Solar Research. Aug. 1913.) 

 Van Deman, Esther Boise. The porticus of Gaius and Lucius. (Amer. Jour. Arch. 



Mar. 1913.) 

 Vanhoffen, E. Ueber Westindische Medusen. (Zoolog. Jahrb. Suppl. 2, Heft 3, pp. 



413-432.) 

 VAN Maanen, a. Sec Adams, Walter S. 

 Van Orstrand, C. E. See Wright, F. E. 

 Wallis, W. F. See Ault, J. P. 

 Ware, L. W. See St. John, Charles E. _ 

 VrASHiNGTON, Henry S. The volcanic cycles in Sardinia. (Advance papers, XII Con- 



gresGeologique Internat., 11 pages. Toronto. 1913.) 

 . Some lavas of Monte Arci, Sardinia. (Amer. Jour. Sci. (4), vol. 36, pp. 577- 



590. 1913.) 



and Esper S. Larsen. Magnetite basalt from North Park, Colorado. (Jour. 



Wash. Acad. Sci., vol. 3, pp. 449-452. 1913.) 

 Wells, H. Gideon, and Thomas B. Osborne. Is the specificity of the anaphylaxis 



reaction dependent on the chemical constitution of the proteins or on their biological 



relations? (Jour. Infectious Diseases, vol. xii, pp. 341-358. May 1913.) 

 Wheeler, Rltth. Feeding experiments with mice. (Jour. Exp. Zool., vol. xv., pp. 



209-223. 1913.) 

 \A'hite Walter P. New modified thermoelectric methods in calorimetry. (Jour. 



Wash. Acad. Sci., vol. 3, pp. 319-321. 1913.) 

 Widmer, J. A. See Fleming, J A. 

 WiELAND, G. R. The Liassic flora of the Mixteca Alta of Mexico: Its composition, age 



and source. (Amer. Jour. Sci., 31 pp. Sept. 1913.) 

 . La flora f6sil de la Mixteca Alta. (Boletin de la Sociedad Geologica Mexicana, 



p. 8. 1912.) 

 Wood, Frederick A. The finances of Vermont. (Columbia University, Studies in His- 

 tory, Economics, and Public Law, vol. lii, No. 3. 1913.) 

 Woodward, R. S. The orbits of freely falling bodies. (Astron. Jour., Nos. 651-652, 



pp. 17-29. Aug. 1913. Popular account of same, Science, n. s. No. 975, pp. 



315-319. Sept. 5, 1913.) 

 Wright, Fred. Eugene. Oblique illumination in petrographic microscope work. 



(Amer. Jour. Sci. (4), vol. 35, pp. 63-82. 1913.) 

 . An improved vertical-illuminator. (Jour. Wash. Acad. Sci., vol. 3, pp. 14-16. 



1913.) 

 A graphical plot for use in the microscopical determinations of the plagioclase 



feldspars. (Amer. Jour. Sci. (4), vol. 36, pp. 540-542. 1913.) 

 . Graphical methods in microscopical petrography. (Amer. Jour. Sci. (4), vol. 



36, pp. 509-539. 1913.) 

 . An electrical goniometer furnace for the measurement of crystal angles and of 



refractive indices at high temperatures. (Jour. Wash. Acad. Sci., vol. 3, pp. 396-401. 



1913.) 

 . The index ellipsoid (optical indicatrix) in petrographic microscope work. 



(Amer. Jour. Sci. (4), vol. 35, pp. 133-138. 1913.) 

 . A new thermal microscope for the measurement of the optical constants of 



minerals at high temperatures. (Jour. Wash. Acad. Sci., vol. 3, pp. 232-236. 1913.) 

 — . The change in the crystal angles of quartz with rise in temperature. (Jour. 



Wash. Acad. Sci., vol. 3, pp. 485-494. 1913.) 



and C. E. Van Orstrand. The determination of the order of agreement be^ 



tween observation and theory in mineral analyses. (Jour. W^ash. Acad. Sci., vol. 3, 

 pp. 223-231. 1913.) 

 Wright, Richard R., Jr. The negro in Pennsylvania. (Philadelphia, A, M. E. Book 

 Concern, pp. 250. 1912.) 



