SEA-FISHERIES LABORATORY. 2l5 



EXPLANATION OF PLATES. 



Plate I. 



Fig. 1. Young Herring. March 11th, 1914. 



Fig. 2. „ „ ,, 31st, „ 



Fig. 3. „ „ April 16th, „ 



Fig. 4. „ „ May 14th, „ 



Fig. 5. „ „ „ 28th, „ 



Plate II. 



Fig. 6. Young Sprat. June 29th, 1914. 



Fig. 7. ,, „ July 17th, „ 



Fig. 8. ,, ,, Aug. 8th, ,, 



Fig. 9. „ „ "„ 24th, „ 



Fig. 10. „ „ Sept. 7th, „ 



Plate III. 



Figs. 11 ard 12. Largest and smallest fish. May 28th. 

 Figs. 13 and 14. Young Herring. July 17th. 

 Figs. 15 and 16. Young Sprats. July 17th. 



All the figures are magnified about one-third. 



