Bul. U. S. B. F, 1907 PLATE III. 
FIG. 1. PHOTOGRAPH OF THE NEST OF A SMALL-MOUTHED BLACK BASS (MICROPTERUS DOLOMIEU) 
TAKEN WITH THE AID OF A SCREEN, THE CAMERA ABOVE WATER 
FIG. 2, BROOK LAMPREYS (LAMPETRA WILDERI) ON THE NEST, PHOTOGRAPHED THROUGH THE WATER GLASS SHOWN IN 
FIGURE 2, PLATE IV, IN ABOUT 8 INCHES OF RUNNING WATER 
