BuL. U. S. B. F., 1908. 



Plate CXVII. 



Fui. 7,— Galvaiiized-iroii box wUli plate-glass front, designed by the writer to contain a 5 by 7 reflecting 



camera for use under ^'ater. 



Fig. S.— Photograph showing the method of using the reflecting camera inclosed in the water-tight box 

 for subaquatic work. The upper part of the box covering the hood rises above the surface, while the 

 lower part, containing the camera proper, is under water. The operator is looking into the hood 

 through the plate glass in the top of the box. With his right hand he focuses, with his left makes 

 the exposure. 



