of the Fishery Board for Scotland. 275 



33 eggs were measured. 

 Of these : — 



2 eggs measured *823 mm. in diameter. 

 2 „ „ -828 

 4 „ „ -846 

 22 „ „ -855 

 1 „ „ -864 

 1 „ „ -868 

 1 „ „ -877 

 Average size, *8514. 

 The size of the egg of the dab is given by M'Intosh and Prince as about 

 *825 mm. Fulton found ripe intra-ovarian eggs of from '9-*94 mm. in 

 diameter. 



The following Table is intended to give a comparison between the 

 average size of the ova of each species, and the largest and smallest eggs 

 found in each collection ; and, by a comparison with the sizes given by 

 M'Intosh and Prince, and Fulton, to show the comparatively large variation 

 in the size of the ova of different individuals : — 



Gadid,©. 



Species. 



Number 

 of Eggs 

 measured. 



Size of 

 Largest 

 Egg in 

 mm. 



Average 

 Size in 

 mm. 



Size of 

 Smallest 

 Egg in 

 mm. 



Size 

 given by 

 M'Intosh 

 and Prince. 



Size 

 given by 

 Fulton. 



Haddock, . 



97 ; 



1-665 



1-458 



1-38 



1-45 



1-39-1-2 



Cod, . 



92 



1-467 



1-386 



1-35 



1-375 



1-4-1-2 



Whiting, . 



56 



1-257 



1*204 



1-161 



1-125 



1-3-1-2 



Green Cod, 



17 



1-188 



1161 



1125 



1-143 





Five-bearded 

 Rockling . 



63 



•765 



•729 



•711 



•73 



•77- -72 







Pleuroneotidje. 









Plaice * 



22 



2-088 



1935 



1-845 



1-75-1 -65 



1-65 



Turbot 



30 



1-08 



1054 



1-035 





•9- -97 



Flounder . 



17 



•972 



•921 



•9 







Dab . 



33 



•877 



•851 



•823 



•825 



•94- -9 



* The eggs of the plaice were dead when measured. 



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