10 CONTENTS 



hummer once was. — Where marriage depends on 

 beauty. — The hummer's nest. — The "June-bug" 

 awakes. — An ancient cousin. 



SUMMER 



IV. JUNE 103 



The tree month. — The shape of trees. — Green leaves 

 and heat. — Strawberries redden. — What is a berry ? 

 — The runner habit. — How Nature betters plants. — ■ 

 The chipmunk gathers his stores. — A missing link. 

 — Providing for winter. — The safety of insignifi- 

 cance. — Violets bloom. — Why the bee likes the vio- 

 let. — How the violet is pollinated. — Secret flowers. 

 — Tares in the wheat. 



V. JULY 131 



The warmth of July. — Why July is hottest. — Birds 

 in July. — Hot weather suits the insects. — The lo- 

 cust's hot song. — The locust's drum. — His name. — 

 The seventeen-year locust. — The locust's greatest 

 enemy. — The digger wasp. — Why he digs. — Summer 

 flowers. — The cardinal lobelia. — Black-eyed Susan. 

 — Not a flower but a bouquet. — The true aristocracy. 



VI. AUGUST 155 



The cricket's chirp. — It rises with the temperature. 

 — The cricket a fiddler. — His strange ear. — The Bal- 

 timore oriole. — Bright-colored birds. — The oriole's 

 nest. — A new fearlessness in birds. — The tiger swal- 

 lowtail. — A color problem. — The double generation. 

 — Frozen animals. — The lily and the butterfly. 



