144 Mr. E. Whitley. Effect of Acid, etc., on [Nov. 14, 



Table V. — Actual Number of Deaths among Eggs 10 Days Old. 





No. of 



2nd 



3rd 



4th 



5th 



6th 



7th 



8th 



9th 



10th 



11th 





eggs. 



day. 



day. 



day. 



day. 



day. 



day. 



day. 



day. 



day. 



day. 



Control 



245 











1 



4 



4 



5 



6 



6 







1 "0 c.c. N/10 NaOH 



165 







2 



4 



6 



6 



7 











1 - 5 » „ 



105 







1 



1 



1 



1 



3 











2 -0 



110 



1 



1 



1 



1 



1 



1 











2 '5 



100 











1 



1 



1 



3 











3 -0 



80 















1 



1 



2 



2 



2 



2 



2 



4-0 



160 



1 



1 



2 



5 



7 



15 



30 



39 



43 





1 -0 c.c. N/10 HC1 ... 



135 







1 



1 



2 



2 



3 











1-5 „ „ ... 



105 











2 



2 



4 



5 











2-0 „ „ ... 



155 























1 











2-5 „ „ ... 



120 







1 



2 



3 



3 



4 











3-0 „ „ ... 



175 







3 



3 



3 



3 



3 



3 



5 



6 



8 



4-0 „ „ ... 



110 







1 



1 



2 



2 



2 



3 



5 



5 



6 



Table VI. — Percentages of 10-Days-old Eggs which succeeded in Hatching. 



Control 98-4 



+ 1-0 c.c. N/10 NaOH 96 4 



1- 5 „ 99-0 



2- „ 99-1 



2- 5 „ 99-0 



3- „ 98-7 



4- „ 95-6 



+ 1-0 c.c. N/10 HC1 98-5 



1- 5 „ 96-2 



2- „ 100-0 



2-5 „ v 97-5 



30 „ 983 



4-0 „ 98-2 



Dimethyl 397 



Phenol-phthalein 98"8 



