Voices of a New England Marsh 49
three hundred are calling at once, however, the din is rather overpow- ering and at times also annoying, for it more or less completely drowns all other sounds.
The notes of the leopard frog have been not inaptly compared to the sound of snoring. ln earlv April they are heard oftenest during: the
5mm «timnimn natural simr
warmer hours of the day. but after the middle of the month these frogs snore Chieflygas seems, indeed. appropriate—by night. When the weather is calm and the voices of hundreds of individuals are coming from far and near, they fill the air with sound that never ceases for an instant, although ever fluctuating in volume like the rote of distant surf.
The pickerel frogy is also very common in our meadows Min Sidney F. Denton tells me that it begins croaking rather later in the season than the leopard frog and that its notes resemble those of that species,
