ILLUSTRATIONS 



THE MANTIS : A DUEL BETWEEN FEMALES ; DEVOURING 

 A CRICKET ; DEVOURING HER MATE ; IN HER ATTI- 

 TUDE OF PRAYER; IN HER " SPECTRAL" ATTITUDE 



Frontispiece 



FACING PAGE 



DURING THE DROUGHTS OF SUMMER THIRSTING INSECTS, 

 AND NOTABLY THE ANT, FLOCK TO THE DRINKING- 

 PLACES OF THE CIGALE .... 8 



THE CIGALE AND THE EMPTY PUPA-SKIN . . 38 



THE ADULT CIGALE, FROM BELOW, THE CIGALE OF 



THE FLOWERING ASH, MALE AND FEMALE 36 



THE CIGALE LAYING HER EGGS. THE GREEN GRASS- 

 HOPPER, THE FALSE CIGALE OF THE NORTH, 

 DEVOURING THE TRUE CIGALE, A DWELLER IN 

 THE SOUTH 48 



THE NEST OF THE PRAYING MANTIS ; TRANSVERSE SEC- 

 TION OF THE SAME ; NEST OF EMPUSA PAUPERATA ; 

 TRANSVERSE SECTION OF THE SAME ; VERTICAL 

 SECTION OF THE SAME ; NEST OF THE GREY MANTIS ; 



scheffer's SISYPHUS {sec Chap, xii.) ; pellet of 



THE SISYPHUS ; PELLET OF THE SISYPHUS, WITH 

 DEJECTA OF THE LARVA FORCED THROUGH THE 

 WALLS 88 



