Davis: Addition to Statex Island Frogs 67 



minutes whether they are singing or not. l)ut if you approach 

 them, they let out all of the air and it collapses. This they do 

 previous to diving out of danger among the water plants. 



Several years ago I put one of these frogs under a glass shade, 

 where there were a Pickering's frog and a cricket frog. It acted 

 quite differently from these species, which generally keep them- 

 selves out in view and are active and desirous of catching flies. 

 On the other hand Chorophihis hid himself away heneath a 

 bunch of sumach berries lying near the water, and from the day 

 he was put under the shade until he was bottled, about a week in 

 all, I do not think he ever left his retreat. One of the Annadale 

 specimens, which was kept alive for about two weeks, was fond 

 of secreting himself between a stone and the side of the 

 aquarium or otherwise hiding himself away. 



In New Jersey I have either seen or heard Chorophilus triscri- 

 atiis at the following localities: Newfoundland, ^lay 8; Little 

 Falls. IMarch 12: Plainfield, May 6; Jamesburg, April 4, and 

 Lakehurst in April. 



