THE MYXOSPORIDIA, OR PSOROSPERMS OF FISHES. 
Seat. 
wi aut..v-avdominal 
septum. 
Body cavity ; digest- 
ive tube. 
Arr lad ders eitecle- 
Interstices of mus- 
cles. 
Body cavity, abdo- 
men, thorax, tail, 
natatory feet, first 
antenne. 
Branchie; ? also of 
heart blood. 
Branchiz 
Subcutaneous 
sue. 
Subcutaneous | tis- 
suc. 
Pathologic 
efiect. 
Atrophy of tail | 
muscles. | 
Se ee 
Pathologic 
Tabular key. 
Remarks. 
Spore leathery, con- 
tents granular, 
colorless, amber 
or fuscous yellow, 
forming indefinite 
cylindrical, fila- 
mentous or spiral 
colonies; rarely 
isolated. 
A perfectly typical 
monocystid Greg- 
arine. Gregarine 
stage passed usu- 
ally in digestive 
tube. Spores con- 
tain 8 falciform 
corpuscles. 
mass 
w hitish- yellow, 
pasty, drawing 
out into dirty 
white threads. 
Spore containing a 
eentral globule 
(‘‘nueleus’’) 7 to 
11 » in diameter, 
surrounded by 
several fine gran- 
ules. 
G aus. 
Psorospermia. -- 
Lithocystis-..... 
| Genus incert -.. 
SoU 0hocce slog teers 
| Balbiania 
Genus incert -.- 
Genus incetrt. - -- 
141 
Species. 
scizne-umbre. - 
sp. incert 
sp. incert 
rileyi 
sp. incert 
-| sp. incert 
sp. incert 
sp. incert 
congri 
* “ Myxosporidium ;’’ name not in good standing, see p. 206. 
Species No. 
13 
