1905.] the Development of Eggs of Plaice and Echinus. 143 



Table III. — Actual Number of Deaths among Fresh Eggs. 







No. 



2nd 



3rd 



4th 



5th 



6th 



7th 



8th 



9th 



10th 







or eggs. 





ay. 







day. 



day. 



day. 



day. 



day. 



Control 



20 



1 



1 



1 



1 



1 



1 



2 



3 







1 -o 



o.c. N/10 NaOH 



23 















1 



1 











1 -5 





21 







1 



1 



I 



2 











2-0 



ii >> 



OA 



1 



A 



4 



A 

 t 



















2-5 





22 



4 



4 



4 



4 



4 



6 



6 



6 



7 



3-0 



)) >) 



22 



3 



5 



5 



5 



6 



6 



6 



7 



7 



4-0 



J) JJ 



25 



3 



8 



9 





11 



11 



12 



12 



12 



1 -o 



c.c. N/10 HC1 ... 



20 



1 



2 



2 



2 



2 











1 -5 





21 































2-0 





23 



2 



2 



2 



2 



2 











2 5 





21 



2 



3 



3 



3 



4 



5 



5 



5 



6 



3-0 





24 







4 



6 



7 



8 



v' 8 , 



8 



8 



8 



4-0 





20 



3 



9 



15 



15 



15 



15 



15 



15 



15 



The figures in each column in this and the following two tables give the 

 total number dead by the day in question. 



Table IV. — Actual Number of Deaths among Eggs 2 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 



36 















° 



























1 -0 c.c. N/10 NaOH 



28 



































1 "5 » „ 



23 



































2 -0 



32 



































2 -5 



38 



1 



1 



1 



1 



1 



1 



1 



1 



1 



1 



3 "0 



55 



















4 



7 



7 



7 



7 



8 



4 -0 „ „ 



56 



1 



2 



2 



5 



10 



14 



23 



23 



23 



27 



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



60 



1 



2 





2 



2 



2 











1-5 „ „ ... 



25 



2 



2 



I 



2 



2 



2 











2-0 „ „ ... 



33 



1 



1 



1 



2 



2 



2 











2-5 „ „ ... 



80 



8 



9 



9 



10 



15 



16 



17 



17 



19 



21 



3-0 „ „ ... 



33 



10 



10 



10 



10 



13 



13 



14 



14 



14 



14 



4-0 „ „ ... 



95 



23 



23 



23 



26 



31 



34 



34 



34 



34 



34 



