Gambles with nature Students 



WITCHES BROOMS ON BIRCH TREE. 



gall fly instead of a fungus ; and here is a field 

 for the ingenuity of a young observer to exercise 

 itself upon. 



VENTRICULITES 



Those who have access to a chalk-pit may like 

 to know that the long slender flints so often to be 

 found there are singularly resonant. 



