AMERICAN FISHERIES SOCIETY. 57 



reached just Ix'Iow the sin lace of (he water and (he light 

 which reached tlie camera came through tlie water itself. A 

 better arrangement and one easily transportable can be made 

 by a four-legged stand as a substitute for the usual tripod 

 eurrouuded by a skirt of black cloth; the cap to be arranged 

 with a hole in it through which the lens can be exposed. A 

 bag of cloth around the cap can be drawn around the camera 

 and held in place with a rubber baud. Although the trout had 

 left the bed when this exposure was made, I believe it possible 

 to photograph them upon their beds another season. 



Sorting and stripping fish makes another interesting illus- 

 tration, with accompanying explanation of method of fertil- 

 ization, etc. Various methods of eying eggs in stacks or as 

 laid down in the hatching troughs can be easily photographed. 

 Methods of packing eggs for shipping long distances can be 

 illustrated and explained. In fact, all the details of a hatch- 

 ery can be easily illustrated. The fry in their various stages 

 of development nmke very attractive illustrations. In order 

 to get good photographs of the fry in the troughs, or other 

 trough work, a rude stand can be made to fit the troughs so 

 as to sustain the camera with the lens in a vertical position 

 facing directly into the troughs. The focal distance can be 

 adjusted by having several auger holes through the back of 

 the stand which supports the camera. The photographs can 

 be taken bv either flashlight or daylight. Daylight produces 

 the most successful results for most of these pictures. 



Fry monstrosities interest people and can best be photo- 

 graphed by placing them upon a glass plate with a white 

 background a few inches below the glass. Some of the ene- 

 mies of fish spawn naturally deposited and resultant fry can be 

 photographed the same way. It is desirable to impress upon 

 the people the reasons why artificial propagation is such a 

 great improvement over the natural methods of reproduction. 

 In fact, if all the spawn of all the fishes in the waters of our 

 country hatched and became fishes, the time would soon come 

 when there would not be sutficient water to sustain them. If 

 salmon work is to be illustrated, similar photographs can be 

 taken, together with methods of collecting the spawning sal- 

 mon. Views of salmon actually leaping a falls 18 feet high, 

 some of them showing the fish entirely out of water, are 

 especially interesting. These were obtained by borrowing 

 negatives from sportsmen from which to make the slides. 



The comparative size of difllerent fish eggs and fry contem- 

 poraneously hatched make a good illustration. Pike perch 

 fry make a very good picture in contrast with trout fry. This 

 picture is taken by placing the objects upon a glass plate with 

 light colored background below the plate. Pictures of rearing 

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