MARINE BIOLOGICAL STATION AT PORT ERIN. 



29 



hatching box, after a thorough mixing of the contents, and 

 was as follows : — 



Date. Number of Eggs. 



April 4th 20,000 



50,000 



9th 

 12th 

 13th 

 14th 



15th 



500,000 



200,000 



50,000 



50.000 



Eggs in gradually diminishing numbers were collected 

 almost daily until May 5th; but the numbers were not 



' ■'■•1 



1 fit 



-""*""^ 1 &.■■■'■ 



; 





■EgHbP m 



Wlzff^SSJt '» II mini 



Emmum^ AM m 



E»i •''-•' ^^^^^59 





Fig. 8. Interior of the Hatchery, showing the " Dannevig " hatching 

 boxes and Mr. Chadwick. From a photo, by Mr. Wm. Dakin. 



estimated, owing to the difficulty of separating the eggs 

 from the larvae, which were then hatched out in the pond 

 from eggs which had escaped collection on earlier dates. 



The first larvae were hatched out in the boxes on 

 March 30th ; and the first liberation of larvae in the sea 



