386 NATURE SKETCHES IN TEMPERATE AMERICA 



than one egg. It is at one end that the eggs are fertiUzed 

 before they are laid, the sperm cell passing into the egg through 

 a microscopic opening called the micropile. 



Some Habits of Field Crickets 



In the first week in June, one begins to hear the notes of 

 the field crickets, and from that time on mitil autumn frosts 



The Pennsylvania Field Cricket {Gryllus ■pennsylvanicus) . 

 Its notes are often heard in early June. 



appear, their songs emanate from the pastures and roadsides. 

 One of the common members of this group of early songsters 

 is the Pennsylvania field cricket, Gryllus pennsylvanicus. Most 



