ILLUSTRATIONS OF FLIES. 
PLATE I,—THE CLASSES. 
iz II.—Browns AND DRAKES, 
»  III].—DRAKES AND DuNs, 
‘is IV.—DuNS AND SPINNERS. 
ii V.—SPINNERS, HOUSE FLIES, AND BEETLES. 
an VI.—BEETLES, ANTS, AND CREEPERS. 
» VIL—CREEPERS. 
> VITT.—ARTIFICIALS. 
ILLUSTRATIONS. 
AYSGARTH FORCE . & é to face page I 
ON THE YORE, HACKFALL , ¥ ' page T 
THE YORE BELOW MIDDLEHAM CASTLE , page 123 
ON THE WHARFE, BOLTON 5 to face page 127 
BOLTON CASTLE ‘ to face page 124 
HARDRAW SCAR * < ‘ to face page 125 
CASCADE IN HACKFALL . Fi F page 135 
RIPON CATHEDRAL FROM THE BANKS OF THE SKELL, page 141 
