Report U. S. B, F, 1904. PLATE Il. 
1. A DEAD KINGFISH (MENTICIRRHUS) WITH EXTERNAL LESIONS 
The pop-eye is marked, and vesicles of gas appear in all the fins and in the skin behind the pectoral. 
The illustration gives a quite inadequate idea of the striking appearance of the specimen as seen 
alive in the water. (Photograph by J. G. Hubbard.) 
2. THE GILL FILAMENT OF A FISH UNDER A LOW MAGNIFICATION, SHOWING GAS EMBOLI IN 
THE LUMINA. 
(Photograph by J. G. Hubbard.) 
