ILLUSTRATIONS OF FLIES. 



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. 



ILLUSTRATIONS. 



AYSGARTH FORCE to fnce page i i; 



ON THE YORE, HACKFALL . . . . page i 



THE YORE BELOW MIDDLEHAM CASTLE . . page ^25 



ON THE WHARFE, BOLTON . . . to face page 127 p 



BOLTON CASTLE to face page 124 & 



HARDRAW SCAR ..... to face page 125^ 



CASCADE IN HACKFALL page 135 



RIPON CATHEDRAL FROM THE BANKS OF THE SKELL, page 141 



