MINOR CARNIVORA. 135 



namesake ; finally, it ventured in at the entrance, and 

 easily opened the inner door, and walked in. The 

 bladder was transparent and quite empty, so that I 

 could see the movements of the little animal very 

 distinctly, and it seemed to look around as if surprised 

 to find itself in so elegant a chamber ; but it was soon 

 quiet, and on the morning following it was entirely 

 motionless, with its little feet and claws standing out 

 as if stiff and rigid. The wicked plant had killed it 

 very much quicker than it kills the snake-like larva. 

 Entomostraca, too, were often captured, Daphnia, 

 Cyclops, and Cypris. These little animals are just 

 visible to the naked eye, but under the microscope 

 are beautiful and interesting objects. The lively little 

 Cypris is encased in a bivalve shell, which it opens at 

 pleasure, and thrusts out its. feet, and two pairs of 

 antennae, with tufts of feather-like filaments. This 

 little animal was quite wary, but, nevertheless, was 

 often caught. Coming to the entrance of a bladder 

 it would sometimes pause a moment and then dash 

 away ; at other times it would come close up, and 

 even venture part of the way into the entrance, and 

 back out as if afraid. Another, more heedless, would 

 open the door and walk in, but it was no sooner in 

 than it manifested alarm, drew in its feet and 

 antennae, and closed its shell. But after its death 

 the shell unclosed again, displaying its feet and 

 antennae. I never saw even the smallest animal- 



