306 



INDEX 



♦Oxidation and reduction by roots. 

 O. Schreiner and M. X. Sulli- 

 van, 155 



♦Oxidation in soils. M. X. Sullivan 

 and F. R. Reid, 155 



♦Oxidative and catalytic powers of 

 soils and subsoils. M. X. Sulli- 

 van and F. R. Reid, 128 



*Paraffin hydrocarbons in soils. O. 

 Schreiner and E. C. Shorey, 156 



*Reduction by roots. O. Schreiner 

 and M. X. Sullivan, 154 



*Soil organic matter as material 

 for biochemical investigation. O. 

 Schreiner and E. C. Shorey, 125 



*Soil oxidation. O. Schreiner and 

 M. X. Sullivan and F. R. Reid, 125 



*Solubility of lime in aqulous solu- 

 tions of sugar and glycerol. F. K. 

 Cameron and H. E. Patten, 86 



Toxic action of organic compounds. 

 . . . O. Schreiner and J. J. 

 Skinner, 181 



Translocation of plant food and 

 elaboration of plant material in 

 wheat seedings. J. A. Le Clerc 

 and J. F. Breaseale, 123 



Agricultural physics. *Electrical 

 bridge for determination of soluble 

 salts in soils. R. O. E. Davis and 

 H. Bryan, 154 

 ♦Soil physics. E. E. Free, 121 



Agriculture. *Soil erosion. W J 

 McGee, 161 

 ♦Soil management. F. K. Cameron, 



134 

 *Soils, east of Great Plains region. 



M. Whitney, 135 

 References. 138, 166 



See also : Agricultural chemistry 



Forestry; Plant pathology 



Analytic chemistry. *Determination 

 of sugars in grain and cattlefoods. 

 A. H. Bryan, A. Given and M. N. 

 Straughn, 122 



Astronomy. *U. S. Naval observa- 

 tory. Publications. 2d ser., 203 



Bacteriology. *Abortive cases of poli- 

 omyelitis. J. F. Anderson and 



W. H. Frost, 99 

 *Measles in the monkey. J. F. 



Anderson and J. Goldberger, 99 

 *Period of infectivity of the blood in 



measles. J. F. Anderson and J. 



Goldberger, 99 

 Biochemistry. Suprarenal gland. W. 



Hale and A. Seidell, 225 

 *Biological chemistry. Analogies in 



soil oxidation. O. Schreiner and 



M. X. Sullivan, 128 

 ♦Determination, of Iodine in thyroid. 



A. Seidell, 208 

 ♦Symptoms shown by plants under the 



influence of different toxic com- 

 pounds. O. Schreiner, 129 

 Biology. *Development of sponges 



from dissociated tissue cells. H. 



V. Wilson, 240 

 ♦Explorations in Panama. Meek, 



Schwartz, Goldman and Busck, 



291 

 Botany. *Blueberry culture. F. V. 



Coville, 132 

 ♦Crown-gall and sarcoma, E. F. 



Smith, 91 

 ♦Crown-gall of plants. E. F. Smith, 



U. A. Brown and C. O. Townsend, 



91 

 Genus Annona. W. E. Safford, 118 

 ♦Inheritance of the "eye" in vigna. 



W. J. Spillman, 185 

 New Echeveria. J. N. Rose, 267 

 See also: Plant pathology; Plant 



physiology 

 Chemical statistics. Consumption of 



acids. C. E. Munroe, 70 

 Chemistry. *Behavior of high-boiling 



mineral oil on heating in the air. 



C. E. Waters, 84 

 ♦Lactic acid. E. Elvove, 180 

 ♦Manganese in vanadium and chrome- 

 vanadium steels. J. R. Cain, 85 

 Melting points of elements. G. K. 



Burgess, 16 

 ♦Sulphur dioxide. E. Elvove, 181 



