100 REPORT OF THE COMMISSIONER OF FISH AND FISHERIES. 



niyxosporidian capsule, and the evidence against the myxomycete 

 theory becomes very strong. 



IV. DISTRIBUTION. 



From the practical standpoint tliere is do more important branch of 

 the subject than the conditions under which the growth of the parasite 

 takes place. Closely related to these conditioDS 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. 



