Fig. i 
Thin Section of Muscle of Haddock, natural size, 
showing Spindle-shaped Parasitic Areas. 
Unstained. 
Fig. 2 
Low Power Microphotograph of Section of one of the Spindle 
Areas. The Parasite is seen invading the Muscle Fibres. 
Stained with Haematoxylin and Eosin. 
Fig. 3 
Transverse Section of Spindle Area, showing the 
Encapsuled Parasites. 
Obj. i in. Haematoxylin and Eosin. 
Fig. 4 
Shows the Variable Size of the Parasites lying scattered 
in the Degenerate Muscle Fibres. Empty Capsules 
are also seen. Section slightly more highly 
magnified than in Fig. 3. Eosin and 
Methylene Blue. 
