Sulphur: 0.5741 gram material gave 0.0253 gram BaSO 4 = 0.60 



per cent S; 0.5320 gram material gave 0.0234 gram BaSO 4 = 



0.60 per cent S. 

 Phosphorus: 0.5741 gram material gave 0.0429 gram Mg 2 P2O 7 = 



2.08 per cent P; 0.5320 gram material gave 0.0390 gram 



Mg 2 P2O 7 = 2.O4 per cent P. 

 Ash: 0.2910 gram material gave 0.0301 gram Ash = 10.34 P er 



cent Ash; 0.3011 gram material gave 0.0311 gram Ash = 



10.33 P er cent Ash. 

 Moisture: A. Determined by drying the bacterial material in 



vacuo: 0.0638 gram material gave 0.0452 gram H 2 O = 7O.85 



per cent; 0.0864 gram material gave 0.0611 gram H 2 O = 70.72 



per cent. B. Determined by drying the substance at 100 C: 



0.0781 gram material gave 0.0560 gram H 2 O = 7i .70 per cent; 



0.0897 gram material gave 0.0643 gram H 2 O = 7i.68 per cent. 

 Lipins: 0.3377 gram bacterial material gave 0.0035 gram 



Lipins=i.O3 per cent; 0.3131 gram bacterial material gave 



0.0033 gram Lipins = 1.05 per cent. 



(c) Organism No. 904: 



Nitrogen: 0.0235 gram material gave 0.0025 gram N = 10.64 



per cent N; 0.0213 gram material gave 0.0022 gram N = 10.33 



per cent N. 

 Sulphur: 0.6347 gram material gave 0.0265 gram BaSO 4 = o.57 



per cent S; 0.5096 gram material gave 0.0202 gram BaSO 4 = 



0.54 per cent S. 

 Phosphorus: 0.6347 gram material gave 0.0494 gram Mg 2 P 2 O 7 



= 2.17 per cent P; 0.5096 gram material gave 0.0405 gram 



Mg 2 P 2 O 7 = 2.2i per cent P. 

 Ash: 0.5208 gram material gave 0.0538 gram Ash = 10.33 P er 



cent Ash; 0.4933 gram material gave 0.0508 gram Ash = 10.30 



per cent Ash. 

 Moisture: A. Determined by drying the substance in vacuo: 



0.0475 gram material gave 0.0347 gram H 2 O = 73.O5; 0.0620 



gram material gave 0.0453 gram H 2 O = 73.O7 per cent. B. 



Determined by drying the bacterial material at 100: 0.0530 



gram material gave 0.0401 gram H 2 O = 75-66 per cent; 0.0668 



gram material gave 0.0506 gram H 2 O = 75-75 per cent. 

 Lipins: 0.3390 gram bacterial material gave 0.0122 gram 



Lipins = 3. 59 per cent; 0.2981 gram bacterial material gave 



0.0108 gram Lipins = 3. 62 per cent. 



(d) Organism No. 1210: 



Nitrogen: 0.0209 gram material gave 0.0020 gram N = 9-57 per 



cent N; 0.0238 gram material gave 0.0023 gram N = 9-66 per 



cent N. 

 Sulphur: 0.5301 gram material gave 0.0230 gram BaSO 4 = o.6o 



per cent S; 0.5007 gram material gave 0.0217 gram BaSO 4 = 



0.60 per cent S. 

 Phosphorus: 0.5301 gram material gave 0.0410 gram Mg 2 P 2 O 7 



= 2.15 per cent P; 0.5007 gram material gave 0.0399 gram 



Mg 2 P 2 O 7 = 2.22 per cent P. 

 Ash: 0.2687 gram material gave 0.0266 gram Ash = 9. 90 per 



cent Ash; 0.2087 gram material gave 0.0206 gram Ash = 9. 87 



per cent Ash. 



18 



