100 REPORT OF THE COMMISSIONER OF FISH AND FISHERIES. 
myxosporidian capsule, and the evidence against the myxomycete 
theory becomes very strong. 
IV. DISTRIBUTION. 
From the practical standpoint there is no more important branch of 
the subject than the conditions under which the growth of the parasite 
takes place. Closely related to these conditions is its distribution as 
regards host and organ, space and season. 
ZOOLOGICAL DISTRIBUTION. 
The following table includes all the doubtful and true Myxosporidia 
(species 7 to 102) arranged zoologically by hosts. This arrangement 
reveals a few correlations between the taxonomic relations of the host 
and those of the parasite. 
