[MAVOR] PROTOZOAN PARASITES 69 
is aware, no myxosporidian parasite has been recorded from the 
urinary bladder of Shzostedion vitreum. 




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Fig. 3. Myxosporidia drawn from fresh preparations of the urine of thepike- 
perch, Stizostedion vitreum. Drawn with the camera lucida. x 660. 

Fig. 4 Myxosporidium from the urinary bladder of the pike-perch, Stizostedion 
vitreum. Drawn with the camera lucida from a ‘“‘wet’’ smear preparation stained 
with Delafield’s Haematoxylin. x 1480. 
