THE MYXOSPOFJDIA, OR PSOROSPERxMS OF FISHES. 141 



Tabular ketj. 



Patholog 

 effect. 



Body cavity ; digest- 

 ive tube.' 



Spore leathery, con- 

 tents granular, 

 colorless, amber 

 or fuscous yellow, 

 forming indefinite 

 cylindrical, fila- 

 mentous or spiral 

 colonies; rarely 

 isolated. 



A perfectly typical 

 nionocystid Greg- 

 arine. Gregarine 

 stage pa.«se(l usu- 

 ally in digestive 

 tu{)e. Spores con- 

 tain 8 falciform 

 corpuscles. 



Atroiiliy of tail , Pathologic mass 

 muscles. whitish-yellow, 



pasty, • drawing 

 out into dirty 

 white threads. 



PsorosxJermia. 



Lithocystis. 



Genus incert 



Interstices of mus- 

 cles, j 



Body ca^nty, abdo- | 

 men, thorax, tail, 

 natatory feet, first 

 au ten nab. 



Branchiae; ? also of 

 heart blood. 



Gall bladder . 



Branchiii; 



Gall bladder . 



Subcutaneous tis- 



Siibcutaucous 

 sue. 



Genus incert 



Genus incert. 



.■'....do 



■Jpore containing a 



(■•ni 



11 iJ. in dial 

 Hurroundi 

 several fine gran- 

 ules. 



)d bv 



Species. 



scisenai- umbra . 



rileyi 



sp. iiicort . 



sp. iucert . 



sp. incert . 

 sp. incert . 

 congri 



' ".Myxosporidium ; " uamo not in good standing, see p. 206. 



