116 THE CANADIAN NATURALIST. 



cackled '^ BpekekekeI, Koa^ Koa^," as vociferously as before. I 

 could not help laughing, to think how egregiously I had been 

 mistaken. 



F. — They have just awaked from their half year's 

 sleep ; and will now nightly serenade us with the same 

 delightful sounds, for several weeks to come. Occasionally 

 the Bull-frog {R. Pipiens) comes in with his bass, making 

 a deep hollow sound, something like the short bellow of a 

 distant bull. These sounds, with the whistling of the 

 lizards, fill the air in the neighbourhood of the marshy places 

 the whole night long ; and are very annoying at first, but 

 habit soon accustoms the ear to this, as well as to most 

 other annoyances of a similar nature. That which is often 

 repeated, except absolute pain, ceases to affect us with sen- 

 sations either of disgust or pleasure ; and becomes a mere 

 matter of course, so as scarcely to be perceived. 



