Hyla cinerea 



259 



A large chorus. 



Commonly heard in one pond. 



A few calling from 5:00 p. m. onward. 



Some yet calling at Long Pond. 



A few heard. 



A few early in evening and a moderate chorus later. 



Some calling. Later a great chorus on prairie. 



A few heard at night. 



Singing at 8:00 a. m. At night calling loudly. 



Large chorus. 



Last night a chorus. 



Many heard on prairie. 



Several calling. 



Hxjla cinerea calling. 



Heard almost every night. 



Heard in forenoon. 



1922 

 Hyla cinerea in chorus at Everett's Pond, N. C. (near Cheraw, S.C.) 

 Near Millen, Ga., heard a chorus. 

 Heard one 6-7:30 p. m. 

 Great choruses on prairies. 

 One heard. 



Plenty calling on Suwannee Canal and on prairies. 

 Calling loudly at Chesser Id. landing. 

 Heard a few last night. 

 Calling on prairie. 



Chorus at Lake Seagrove 8:00 p. m. 

 Heard at Coat Bet Pond. 

 A few H. cinerea on prairies. 



"Not so many calling on prairies as I would suppose after the hard 

 rain." 



Heard a great breeding chorus of Hijla cinerea near Starling Branch. 

 One heard on Chesser Island. 

 One heard 9:00 p. m. 

 Several calling. 

 Several calling. 



Commonly heard on Billy's Lake at night. 

 Several calling Chesser Island. 



A very few H. cinerea calling 8-11:30 p. m. after rain. Tempera- 

 ture 79°. 



Large chorus Camp Pinckney. 



Several heard on trip to St. Mary's, Chesser Id., 7-10:30 p. m. 

 7 :oo p. m. H. cinerea calling. Callahan, Florida. 



When the choruses of Hyla cinerea began after dusk, 7o°-82° or 84°F. tem- 

 perature prevailed. For example, in 192 1 this species was heard for several 

 days in last of April but when in early evening s8°F. was recorded on April 30 

 none were heard. From this date for several days in May the minima ranged 

 from 44°-54° until May 8. No Hyla cinerea were calhng. But on May 9 the 

 early evening temperatures reached to 73° and the green tree frogs began 

 again. Thereafter 68°-8o° temperatures generally prevailed when calling 

 occurred. But the great choruses came when the storms threatened, were 

 imminent, or after heavy downpours. Humidity is doubtless more important 

 than temperature in inducing calling or choruses. 



