PLATE VII. 



Saithe. Section of tumour. Reduced. 



,, (Fig. 52). Narrow strip of fat-infiltrated muscle ("oil"): side 



view. (Fig. 152). 

 Saithe (Fig. 52). Narrow strip of fat-infiltrated muscle, surface view. 



,, ,, Section of fat-infiltrated muscle-bundle. 



Cod. Normal kidney. Spore-like body ( - 07 mm. in diameter), seen at 



sp. in Fig. 157. 

 Cod. Normal kidney. Tissue enlarged. 

 Saithe (Fig. 152). Muscle fibre partly laden with fat drops. 

 Deformed cod — spinal curvature. Dorsal view of the deformed part of 



the vertebral column. 

 Saithe (Fig. 152). Muscle fibre swollen with fat drops. Enlarged. 

 „ ,, Section across fish to show the parts (shaded) of 



muscle infiltrated with fat drops. 

 Deformed cod (spinal curvature), 35 J inches (88 cm.) long. Reduced. 



,, ,, ,, ,, Side view of vertebrse, Nos. 10-21. 



Saithe. Healed tumour. Semi-diagrammatic drawing. 

 Sea trout (Salmo trutta) larva with bent notochord, Enlarged. 

 Cod (fig. 162). Vertebrae Nos. 11 and 12, seen from below. 

 Deformed cod (spinal curvature). Run of ventral column seen from 



the side. 

 Deformed cod (Fig. 167). Run of ventral column seen from above. 

 Cod. Diagram of tumours — ? fat-infiltrated portions of muscle. 

 Deformed cod (Fig. 162). Disease of cornea. — Pterygium. 

 ,, ,, (Spinal curvature). Fractured vertebra, 



,, ,, (Fig. 162). Section thin diseased cornea (Fig. 170). 



