LIST OF ILLUSTRATIONS 



PACE 



PLATE I. 1. The Sacred Beetle. 2. The Sacred Beetle rolling his 



pill. 3. Rolling the pill to the eating burrow - - Frontispiece 



PLATE II. Burrow and pear-shaped ball of the Sacred Beetle facing 20 

 FIG. 1. Section of the Sacred Beetle's pill, showing the egg and the 



hatching-chamber - 24 



PLATE III. 1. The Sacred Beetle pushing away and overturning a 

 thieving friend who tries to force his assistance upon him. 2. Crypt 

 in which the Beetle shapes a grub's provision into a pear - facing 36 

 FIG. 2. The Sacred Beetle's pill dug out cupwise to receive the egg - 39 

 FIG. 3. Grub of the Sacred Beetle - - 46 



FIG. 4. Digestive apparatus of the Sacred Beetle - - 47 



PLATE IV. 1 and 2. The Spanish Copris, male and female. 3. The 

 pair jointly kneading the big loaf, which, divided into egg-shaped 

 pills, will furnish provisions for each grub of the brood. 4. The 

 mother alone in her burrow : five pills are already finished ; a 

 sixth is in process of construction - - - facing 72 



FIG. 5. The Copris's pill : first state - - 72 



FIG. 6. The Spanish Copris's pill dug out cupwise to receive the egg - 73 

 FIG. 7. The Spanish Copris's pill : section showing the hatching- 

 chamber and the egg - 73 

 FIG. 8. Phanseus Milo - - 102 

 FIG. 9. Work of Phanseus Milo. A, the whole piece, actual size. 

 B, the same opened, showing the pill of sausage-meat, the clay 

 gourd, the chamber containing the egg and the ventilating-shaft - 104 

 FIG. 10. Work of Phanams Milo : the largest of the gourds observed 



(natural size) - - 108 



ix 



