references: entomology 479 



White, Walter P. A sigyiificani iristance of galvanometer instability. Phys. 



Review, (2) 3:491-492. 1914. 

 White, Walter P. Thermoele'ments of precision, especially Jar calorimetry. 



J. .Am. Chem. Soc, 36: 2292-2313. 1914. 

 White, W^ALTER P. Easy calorimctric methods of high precision. J. Am. Chem. 



Soc, 36:2313-2333. 1914. 

 White, Walter P. Einige neue Doppelkompensatoren. Zeits. Instrumenten- 



kunde, 34: 71-82; 107-113; 142-151. 1914. 

 White, Walter P. Thermoelements installations, especially for calorimetry. 



J. Am. Chem. Soc, 36: 1856-1868. 1914. 

 White, Walter P. Potentiometers for thermoelectric measurements, especially in 



calorimetry. J. Am. Chem. Soc, 36: 1868-1885. 1914. 

 WiGAND, Albert. Measurement of the electrical conductivity in the free atmosphere 



up to 9000 meters in height. J. Ter. Mag., 19: 93-102. 1914. 

 'Wright, Fred. E. A simple method for the accurate measurement of relative strain 



in glass. J. Wash. Acad. Sci., 4: 294-298. 1914. 

 W^right, Fred. E. The optical properties ofroscoelite. Am. Jom*. Sci., (4)38: 355- 



359. 1914. 

 Wright, Fred. E. The measurement of the rejractive index of a drop of liquid. 



J. Wash. Acad. Sci., 4: 269-279. 1914. 

 Wright, Fred. E. The optical character of the faint interference figure observed in 



high power objectives between crossed nicols. J. Wash. Acad. Sci., 4: 301-309. 



1914. 

 W^right, Fred, E. ^4 neir halj shade apparatus with variable sensibility. J. Wash. 



Acad. Sci., 4:309-313. 1914. 

 Wright, Fred. E. The determination oj the relative refringence of mineral grains 



under the petrographic microscope. J. Wash. Acad. Sci., 4: 389-392. 1914. 

 Wright, Fred. E. Measurements of refractive indices on the principal optical 



sections of birefracting minerals in convergent polarized light. J. Wash. Acad. 



Sci., 4:534-542. 1914. 



ENTOMOLOGY 



Cram'ford, J. C. The species of Perilampidae of America north of Mexico. Pro- 

 ceedings of the Entomological Society of Washington, 16: 69-76. June 12, 

 1914. (Gives tables for the genus Perilampus, describing nine new species, 

 and Chrysolampus, describing three new species. — J. C. C.) 



Crawford, J. C. New parasitic Hymenoptera from British Guiana. Proceedings 

 of the Entomological Society of Washington, 16: 85-88. June 12, 1914. (De- 

 scribes three new Serphidoidea and three new Chalcidoidea. — J. C. C.) 



Crawford, J. C. Some species of the bee genus Coelioxys. Annals of the Ento- 

 mological Society of America, 7: 148-159, figs. 1-6. June, 1914. (Contains 

 a key to the females ot the species found north of the Mexican boundary and 

 describes eight new species and one new variety. — J. C. C.) 



(Bushman, R. A. A new species of the braconid genus Phanerotoma Wesmael. 

 Proceedings of the Entomological Society of Washington, 16: 78-79. June 

 12, 1914. 



