NATURE'S CALENDAR 



207 



brownish-red, and finally, during the same 

 season, assumes a bright yellowish-red." 



Among the fishes the sand -flounder 

 and calico - bass, or cloverlip, become 

 prevalent, and the spot, or Lafayette, ap- 

 pears. Sword-fish leave the coast, and 

 sheep's-heads disappear southward from 

 the bays. Young black-bass return in- 

 shore from deep water, and the sea-horses 

 produce their young among the eel-grass 

 in northern bays. In the southerly moun- 

 tains brook-trout are spawning, but in New 

 England and the more northerly districts 

 October is the breeding-month for this 

 charming species. In September they are 

 at their best in the northern lakes. 



Among mollusks. the most notable 

 event of the month is the shoreward ap- 

 proach of the scallops, and the beginning 

 of their catching for market ; but certain 

 other mollusks and marine invertebrates 

 discharge their eggs in the autumn. 



Insect life is still rampant in all its 

 forms, but the entomologist sees seasonal 

 peculiarities. He notes the reappearance, 

 as a second brood, of many butterflies and 

 moths that he has not seen since early 

 summer. Certain late larvae are busy 

 and destructive. Those of a great hawk 

 moth are feeding on the pine-needles ; 

 the silk-worms begin before the month is 

 out to form their cocoons.Tind such pests 

 as the army-worm appear this month, 

 when they come at all ; while everybody 

 takes note that the grass is full of crick- 



September 20 



September 21 



