ILLUSTRATIONS. 



PLATE I. THE CLASSES. 



II. BROWNS AND DRAKES. 

 III. DRAKES AND DUNS. 

 IV. DUNS AND SPINNERS. 

 V. SPINNERS, HOUSE FLIES, AND BEETLES, 

 VI. -BEETLES, ANTS, AND CREEPERS. 

 " VII. CREEPERS. 

 " VIII. ARTIFICIALS. 



