119 



c 



5 



3 



1 



o 









31st except 

 bright blue 

 patches on 

 wall above 

 fluid. 



: 



None to 15th 

 day; partial 

 on 22d; ihe 

 top 3 m m . 

 casein gray, 

 rest pale blue; 

 27th, only 

 trace of color 

 in whey (at 

 top); casein 

 very pale 

 blue; 43 d, 

 w h o 1 1 >• r e - 

 duced. 



None to 9th (lav; 

 .slight on 13th. 

 M a r k e d on 

 22d— i.e., more 

 than i n the 

 p r e c e d i n g . 

 Deeper part of 

 casein still 

 blue, upper 

 part gray. 



24th day, casein 

 dirty gray, 11 

 mm. deep. 





c- 



After 9th day; 

 on l-^th6mm. 

 bluish fluid 

 over the blue 

 casein; on 

 sliaking, the 

 whole mass is 

 fluid and uni- 

 formly blue 

 and there is 

 no immediate 

 reseparation 

 of whey (15 

 minutes). 



-o O 



lii 



S3 



-C 

 1 



top of fluid deep blue, re- 

 mainder still reduced. 



24th day, deeper blue than 

 checks; 31st, deep blue; 

 48th, deep blue. 



15th day, 13 mm. of loose .sedi- 

 ment (flax-flower blue) has 

 settled out of fluid; the lat- 

 ter is dull hyacinth blue; 

 50th, casein dull hyacinth 

 blue, whey dark purplish; 

 65th, casein dark hyacinth 

 purple, Avhev not red bv 

 reflected liglit. 



15th day, no reddening; 27th, 

 casein dirty grav, whev 

 dull hyacinth bhie; 50th, 

 casein deep hyacinth blue, 

 whey dark |)uri>le: (>5th, 

 casein dull hyacinth blue, 

 whev not red bv reflected 

 light. 



15th day, casein lavender 

 blue, 12 mm. deep in a fine 

 precipitate, whey hyacinth 

 blue; 24th, whey dark hya- 

 cinth pur). le; 3Uth and 45th, 

 casein brownish (still part- 

 ly reduced); whey deep 

 hyacinth blue. 



than checks; 

 on 15th added 

 2 drops me- 

 thyl alcohol. 



lOth day, no 

 change in 

 color; 14 th, 

 deeper blue 

 than checks. 



u 

 li in 



9th day, a little 

 deeper blue 

 than checks; 

 13th, deeper 

 blue than 

 checks. 



8th day, deep 

 blue— b 1 u e r 

 than check, 

 lOthandllth, 

 bluer than 

 check. 12th, 

 uniformly 

 blue. 





■c 



3d day, no 

 change; 6th, 

 slight deep- 

 ening of blue. 



3d day, no 

 change; 6th, 

 bltier than 

 checks; 7th, 

 bluer than 

 checks. 



2d day, no 

 change; 5th, 

 bluer than 

 check. 





c 

 •c 





Good; dis- 

 tinctly yel- 

 low pellicle 

 from 4th day 

 on. 



Good; 9th day, 

 copious yel- 

 low surface 

 growth. 



C 







a 

 C 



• 



Between 

 Ridgway's 

 lavender 

 and royal 

 purple. 



Between lav- 

 ender and 

 royal pur- 

 ple. 



% 







400, milk with 

 c. p. litmus 

 (more than 

 in 399). 



5s 



'^a 

 Id 



430 (litmus 

 milk) with 

 2 drops 

 methyl al- 

 cohol. 



430 with 4 

 dropsmeth- 

 yl alcohol. 





c^ 





i-i 



^ 



^ 





