280 



CARL R. MOORE. 



TABLE III. 



Microscopical Observations on Lot A . 

 3:30 P.M., A 1 eggs appear normal. 

 3:55 P.M., A 2 eggs appear normal. 

 4:15 P.M., A 3 eggs appear normal. 

 4:40 P.M., A 4 10 per cent, eggs show loss of pigment. 

 5:10 P.M., A 5 few eggs almost colorless; 30 per cent, appear normal. 

 5:20 P.M., A 6 some eggs reduced to shadows, many appear quite normal. 



Sections of eggs of the AX 1 lot appear not greatly different 

 from lots that have been normally fertilized ; very few of them 



FIG. 2. K 3,000. Section of an egg exposed to the stronger hypertonic solution 

 for 15 minutes and inseminated immediately on return to sea-water. Killed 15 

 minutes after insemination. The sperm heads are entirely unchanged and have 

 not reacted with the egg. 



