ILLUSTRATIONS 



FACING 

 PACT 



WONDERS OF THE MICROSCOPE . . . Coloured Frontispiece 

 Chromo-photos: J. J. Ward, F.E.S. 



FULL-FACE PORTRAIT OF THE COMMON WASP ...... 800 



Photo: J. J. Ward. 



"ISLE OF WIGHT DISEASE" HAS SPREAD ALL OVER BRITAIN, CAUSING THE 



RUIN OF THOUSANDS OF BEEHIVES ....... 300 



EGGS OF THE BROAD-BORDERED UNDERWINO MOTH, CROWDED TOGETHER 



ON THE UNDERSIDE OF THE LEAF ....... 301 



Photo: J. J. Ward. 



EGGS OF THE BROAD-BORDERED UNDERWINO MOTH .... 801 

 Photo: J. J. Ward. 



THE PROBOSCIS OF A HOUSE-FLY 302 



Photo: J. J. Ward. 



FOOT OF SPIDER, SHOWING COMBED CLAWS AND CUTTING-HOOK BELOW . 303 

 Photo: J. J. Ward. 



FOOT OF A WINGLESS FLY, Melophagus ovinus, OFTEN, BUT BADLY, 



NAMED THE SHEEP-TICK ......... 303 



Photo: J. J. Ward. 



COILED PROBOSCIS OF A BUTTERFLY ....... 304 



Photo: J. J. Ward. 



RASPING RIBBON OR FILE, BADLY CALLED THE PALATE, IN THE MOUTH 



OF THE WHELK ........... 305 



Photo: J. J. Ward. 



SCHEME OF LEVELS OF STUDY ........ 305 



JOHN GOODSIR, 1814-1867, PROFESSOR OF ANATOMY IN THE UNIVERSITY 



OF EDINBURGH ........... 305 



STING OF THE HONEY-BEE 806 



Photo: James's Press Agency. 



SURFACE VIEW OF THE COMPOUND EYE OF A FLY, SHOWING SOME OF THE 



THOUSANDS OF CORNEAL FACETS ....... 307 



