24 Prof! B. Moore and Mr. W. G. Evans. Forms of Growth 



Preparation of Tubes. 



No. 

 of tube. 



Contents " yellow." 



No. 

 of tube. 



Contents " colourless." 



4 



2 drops silicate, 8 drops ferric nitrate, 



Ad 



2 drops silicate, 6 drops phosphoric 





2 drops sodium carbonate. 





acid, ammonium phosphate, 2 drops 







sodium carbonate. 



5 



>> )j )> 



5a 



33 33 33 



6 



)j ') j) 



6a 



3) 33 33 



October 18, 1912. The 6 tubes were autoclaved for 15 minutes at 115° C. For a few 





seconds during the period the temperature reached 120° C. 



7 



As above, except no sodium carbonate 



7a 



As above, with omission of sodium 





was added. 





carbonate. 



8 



33 33 13 



8a 



33 33 33 



9 



33 33 33 



9a 



33 33 33 



All lieated for 15 minutes in autoclave, temperature 105-115° C, on October 21, 1912. 



10 



Same as Nos. 7, 8, and 9. No sodium 



10a 



As Nos. 7a, 8a, and 9a. No sodium 





carbonate. 





carbonate. 



11 



33 33 33 



11a 



33 33 33 



12 



33 3 3 3 3 



12a 



33 33 33 



13 



33 33 33 



13a 



33 33 33 



14 



33 33 33 



14a 



S3 33 33 



15 



3 3 33 3> 



15a 



33 33 33 





All 12 tubes autoclaved for 15 minutes at 108-110° C. on October 22, 1912. 



16 



As Nos. 4, 5, and 6. Contain sodium 



16a 



As Nos. 4, 5, and 6. Contain sodium 





carbonate. 





carbonate. 



17 



33 33 33 



17a 



33 33 S3 



18 



33 33 33 



18a 



33 33 33 



19 



33 3J 33 



19a 



33 33 33 



20 



33 33 33 



20a 



33 33 33 



21 



33 33 33 



21a 



33 33 33 





Heated in autoclave for 15 minutes at 110° C. on October 23, 1912. 



22 



As Nos. 7, 8, and 9. No sodium 



22a 



As Nos. 7, 8, and 9. No sodium 





carbonate. 





carbonate. 



23 



33 33 33 



23a 



33 SS 33 



24 



33 33 33 



24a 



33 33 33 





Heated in autoclave for 15 minutes to 112 c 



C. on October 24, 1912. 



25 



As Nos. 4, 5, and 6. Contain sodium 



25a 



As Nos. 4, 5, and 6. Contain sodium 





carbonate. 





carbonate. 



26 



33 33 33 



26a 



33 33 33 



27 



33 33 33 



27a 



3 3 33 33 





Heated in autoclave for 15 minutes on October 24, 1912. 



• 



On October 29, 1912, the four dozen tubes were disposed as follows : — 



West window. 



East window. North window. J South window. 



1 



In dark cupboard. 



Nos. 10, 10a 

 „ 11, 11a 

 „ 16, 16a 

 „ 17, 17a 



Nos. 12, 12a 

 „ 22, 22a 

 „ 26, 26a 

 „ 27, 27a 



Nos. 5, 5a Nos. 19, 19a 

 „ 6, 6a „ 20, 20a 

 „ 7, 7a „ 14, 14a 

 „ 8, 8a „ 15, 15a 



Nos. 4, 4a Nos. 21, 21a 

 „ 18, 18a „ 25, 25a 

 „ 9, 9a „ 23, 23a 

 „ 13,13a „ 24, 24a 



