1 The jelly is now dissolved until only a thin layer is left. Washings 3-14 

 were absolutely colorless; and the following ones remained so until 35. 



^ The eggs were precipitated by slight centrifuging in the first 13 washings, 

 except 6; in the others they were allowed to settle. The gradual reduction in 

 bulk of the eggs is due to loss of jelly, not to loss of eggs. 



3 A drop from No. 30 was fertilized with excess of sperm at 11 :36 a.m. ; 5 per cent 

 only segmented, irregularly; no membranes formed, 



533 



