710 INDEX 



American bacteriological literature — continued 

 Bacteriology of the mouth. 



Constitutional conditions caused by oral sepsis. J. Daland 563 



Cultivation of Entameba buccalis, On the. Wm. B. Wherry and Wade W. 



Oliver 362 



Deep seated alveolar infection. M. L. Rhein 362 



Dental aspect of the relation of endamoeba to pyorrhea alveolaris, The 



W. A. Price 362 



path: its importance as an avenue to infection, The. T. B.'Hart- 



zell and A. T. Henrici 363 



Observations upon the endamoebae of the mouth. I. Endamobea gin- 



givalis (buccalis). C. F. Craig 455 



Pyorrhea alveolaris and some modern discoveries regarding its cause 



and treatment. F. E. Stewart 455 



Relation of amoebiasis to pyorrhea alveolaris, The. A. H. Sanford and 



Gordon B. New 362 



Study of Endameba buccalis in alveolodental pyorrhea, A. F. M. Johns 564 

 Treatment of pyorrhea alveolaris and its secondary systemic infec- 

 tions by deep muscular injections of mercury. B. D. Wright 563 



Bacteriology of soils. 

 Actinomyces of the soil. Selman A. Waksman and Roland E. Curtis. . . 558 



Azotobacter in Hawaiian soils. P. S. Burgess 676 



Bacterial numbers in soils at different depths, and in different seasons 



of the year. Sehnan A. Waksman 556 



Bacteriological studies of a soil subjected to different systems of crop- 

 ping for twenty-five years. P. L. Gainey and W. W. Gibbs 678 



Can soil be sterilized without radical alteration? David A. Coleman, 



H. Clay Lint and Nicholas Kopeloff 560 



Comparison of the acid production of the B. coli group isolated from 



various sources, A. W. W. Browne 124 



Detailed study of effects of climate on important properties of soils, A. 



C. B. Lipman and D. D. Waynick 562 



Diastase activity and invertase activity of bacteria. George P. Koch. . 556 

 Effect of grinding soil on the number of microorganisms. E. B. Fred. . . 675 

 — '■ — of soil reaction on ammonification by certain soil fungi, The. N. 



Kopeloff 675 



of some manganese salts on ammonification and nitrification, The. 



P. E. Brown and G. H. Minges 677 



of time and depth of cultivating a wheat seed bed upon bacterial 



activity in the soil. The. P. L. Gainey 676 



Environmental factors influencing the activity of soil fungi. D. A. 



Coleman 677 



Incubation studies with soil fungi. S. A. Waksman 555 



Influence of barnyard manure and water upon the bacterial activities 



of the soil. J. E. Greaves and E. G. Carter 676 



of some common humus-forming materials of narrow and of 



wide nitrogen-carbon ratio on bacteria,l activities, The. P. E. 



Brown and F. E. Allison 559 



