Bui. U. S. B. F. 1907. 



PLATE III. 



- - 



- +&*&!: ".' -V-i 



FIG. 1 . PHOTOGRAPH OF THE NEST OF A SMALL-MOUTHED BLACK BASS i MICROPTERUS DOLOMIEUj 

 TAKEN WITH THE AID OF A SCREEN, THE CAMERA ABOVE WATER. 



FIG. 2. BROOK LAMPREYS i LAMPETRA WILDERI) ON THE NEST, PHOTOGRAPHED THROUGH THE WATER GLASS SHOWN IN 

 FIGURE 2, PLATE IV, IN ABOUT 8 INCHES OF RUNNING WATER. 



