2 THE MOTHS OF THE BRITISH ISLES. 



selection of life-history details figured on the black and white 

 plates in this volume. 



Except that it is generally less prominent, the head, with the 

 various parts thereof, is pretty much the same as in the butter- 

 flies. In a few families, however, the "tongue" (proboscis) is 

 only rudimentary or even entirely absent ; while in others it is 



i 



Fig. I. 



Convolvulus Hawk-moth and flower of Nicotiana. 



(Photos by W. J. Lucas.) 



very long. The Convolvulus Hawk-moth has the proboscis of 

 such length that it is able to reach the deep-seated nectary of 

 such tubular flowers as those oi Nicotiana affinis. In the illus- 

 tration the " tongue " of the moth and the sweet-scented tobacco 

 blossom are shown on exactly the same scale. 



Fig. 2 represents some forms of antennae found in moths. A, 



