Report U. S. B. F. 1904. 



Plate II 



1. YOUNG PUFFERS (SPHEROIDESi WITH QAS DISEASE INFLATION. 

 ( Photograi)h by F. P. Gorliam.) 



2. RAINBOW TROUT ISALMO IRIDEUS) FRY ABOUT 6 WEEKS OLD, SHOWING DISTENTION OF 



THE ABDOMEN WITH GAS. 

 (Photograph by T. Surber, White Sulphur Springs, W. Va.) 



