524 



INDEX 



*Maxonia, a new genus of tropical 



American ferns. Carl Christen- 



sen. 162. 

 fMeade, R. M.; an appreciation. 



F. L. Lewton. 115. 

 fPathological problems in distribu- 

 tion of perishable plant products. 



C. L. Shear and W. A. Orton. 



45. 

 fPeat, upland, its origin and use. 



F. V. Coville. 117. 

 fPlant hybrids, disease resistance of. 



W. A. Orton. 86. 

 Seedling morphology in palms and 



grasses. O. F. Cook. 420. 

 fSoy bean hybrids, behavior of. W. 



J. Morse. 87. 

 fTextile plant fibers, need for. L. 



H.Dewey. 591. 

 •("Venezuelan plants and fruits. J. 



N. Rose. 46. 

 fWheat and rye, crosses between. 



J. B. Norton. 85. 

 fWheat hybrids, behavior of. C. E. 



Leighty. 85. 

 References. 490. 

 See also: Agriculture; Biophysics; 



Ecology; Forestry; Genetics; 



Paleontology; Phytopathology; 



Plant Physiology. 

 Chemistry. fAntimony, separation 



and determination of. Eli as 



Elvove. 114. 

 fChemical forces, nature of. H. 



Bate man. 189. 

 fGalactose, a fourth pentacetate of. 



J. M. Johnson. 112. 

 Iron oxides, some problems of. 



R. B. Sosman. 55. 

 fKjeldahl method of determining 



nitrogen. H. W. Daudt. 112. 

 fPhytochemical research, its aims 



and developments. F. B. Power. 



138. 

 fPrecipitins. M. W. Lyon, Jr. 240. 

 fPreparation of heavy-metal salts 



of certain organic acids. C. N. 



Myers. 114. 



f Toxicity and chemotherapy of the 

 heavy metals. G. C. Lake. 114. 



fValence, electron theory of. L. B. 

 Loeb. 191. 



fValence and color. F. R. v. Bi- 

 chowsky. 192. 



fVan't Hoff's principle of optical 

 superposition. E. A. Hill. 113. 



References. 40, 469. 



See also: Crystallography; Electro- 

 chemistry; Geology; Geophysics; 

 Mineralogy; Physical Chemistry; 

 Technology. 

 Crystallography. The thermodynamic 

 reversibility of the equilibrium re- 

 lations between a strained solid 

 and its liquid. F. E. Wright and 

 J. C. Hostetter. 405. 



Ecology. fPlant succession and for- 

 estry and grazing, relation of. 

 C. G. Bates, J. V. Hoffman, A. 

 W. Sampson, and E. O. Wooton. 

 199, 200. 



Economics. fNeglected aquatic re- 

 sources. H. M. Smith. 165. 

 f Geology and public service. G. O. 

 Smith. 193. 



Electricity. Anode fall of potential, 

 probe-wire measurements of. J. 

 T. Tate and P. D. Foote. 482. 



Anode resistance films. J. T. Tate 

 and P. D. Foote. 593. 



fElectron, absorption of energy by. 

 W. F. G. Swann. 19. 



Electrons in sodium vapor, reso- 

 nance and ionization potentials. 

 J. T. Tate and P. D. Foote. 517. 



*Galvanometer for use in alternat- 

 ing current measurements. Er- 

 nest Weibel. 36. 



flron, pure, resistivity and thermo- 

 electric properties of. G. K. Bur- 

 gess. 19. 



fOhm's law, experimental basis for. 

 F. Wenner. 21. 



f Photoelectric radiophonic experi- 

 ments. A. W. Clime. 163. 



