DISEASE OF THE HERRmO 85 



SESSIONAL PAPER No. 38a 



EXPLANATION OF PLATES. 

 Plate VIII. 



Fig. 1. Diseased Richibucto Herring. 



2. Coast Herring, Passamaquoddy Bay. 



3. Cross-section. Lateral line tissue shaded. 



4. Cross-section. Dark lines in lateral region marked early stage of 



disease. 



5. Showing excavation of lateral line tissue. 



6-10. Protean forms of planonts. The " shell " is represented in 6 and 10. 



Plate IX. 



Figs. 11-14. Plasmodia or multinucleate cells. 



15-18. Further planont forms. 



19. Apparent cell division. 



20. Sporont. 



All magnified from 600 to 1,400 times. 



