398 



WILSON GEE. 



TABLE VII. 



SHOWING EFFECTS OF FIFTEEN PER CENT. ALCOHOL IN SEA WATER SOLUTION 



UPON THE SPERM OF Fundulus. 



of eggs represented and the fact that they were all from the 

 same lot seems to eliminate this objection. 



Where the spermatozoa were treated for three minutes, none of 

 the eggs fertilized developed beyond the irregular early cleavages. 

 There were nine of these, all of which subsequently disintegrated. 

 Of the eggs fertilized with those treated for two minutes, one 

 lot had five developing at the end of six days, all of which w r ere 

 normal. However, three of the eight which passed the early 

 cleavage stages had disintegrated by the fifth day; and there 



