200 



a measure of known eapacity Avere taken from each day's 

 colleciion, and the number of eggs in each dip carefully 

 counted. The average of the ten countings was then 

 divided by the number of ciibic centimetres in the measure 

 in order to obtain the average number of eggs per c.c. 

 This figure was then multiplied by the number of cubic 

 centimetres of water in the liatching box in order to 

 (detain the total number of eggs. 



" The larviTp were taken to sea in a tishiiig-boat by 

 the assistant, and were liberated at various points either 

 on the east or on the west side of the southern end of the 

 Island, at distances of from 1 to 5 miles from land. 



" The numbers of larvae in this manner set free 



Ma 



April 



May 



