stand on four legs about six inches higher 

 than it had been lying. The legs seemed 

 to be stiff and the movement was like 

 the rising of a disappearing cannon be- 

 hind the walls of a fort. Instantly there 

 appeared a fifth leg or brace at the back 

 which pushed the rear edge of the trench 

 hat upward and tilted it toward the 

 water, when a telescopic gun shot out 

 from under this curious fighting machine 

 and plunged into the water. An instant 

 later this telescopic gun lifted a small 

 trout out of the water, bit it in half, and 

 with two snaps swallowed it. The tele- 

 scope then collapsed, the gun-carriage 

 slowly settled back, the tail brace curled 

 up under the rear, the head was drawn 

 under the front of the shell, and the 

 turtle's eyes closed to a narrow slit. 

 Again he looked like the stones among 

 which he lay, but his trap was set for 

 another fish. 



In a few minutes another young trout 



48 



