54 THE JOURNAL OF BOTANY 
result, 
flowers which suit their taste, but directly, developing colours 
k 
tiny feet in the shape of a circle; when a bee rubs his back agains 
the petals of a pop akes a similar-shaped [black] spot on 
ned, colour or no colour” (p. 78). Moreover, he 
declares, not only that ‘ honey-guides do not always guide”’ (p- 59), 
but that in the case of the poppy the ‘‘ black honey-guides are of 
(p. 67). Again, we learn that some insects, of weaker intelligence, 
alighting on the wrong part of Trop@olum blossoms, are debatt 
by “a sort of cheval-de-frise’’ from getting at the honey, but, nevel- 
theless, repeat the blunder so habitually as to “stimulate just the 
same,” and leave a monument of their folly in the shape of spots 
of colour. 
It is obvious that on such a theory we should not speak of 
honey-guides at all, but rather of the tracks of creatures who kneW 
how to reach the honey without them. But how does Mr. Hervey 
square this account of the matter with some of his own exampl 
J. G. 
4 
7 
a 
