REVIEWS AND EXCHANGES 
scientific or literary position. Excellent, moreover, as are many of his illust ra- 
tions, their value would, we think, have been enhanced by a reduction in their 
number. Nothing is gained, for instance, by the four views of the kite’s nest on 
pp. 6 1 , 63, 64 and 65, or by the five portraits of the coal-tit on pp. 74, To, 77, 
8t and 90: we are beginning to doubt whether photographs of nests and eggs. 
leaving little room for surroundings and without any scale for comparison, such 
as the heron’s nest on p. 51, have much instructive value ; nor, though possibly 
publishers may have grounds for their liking for coloured frontispieces, do we 
think the present work gains anything from the blotchy impression of a tawny owl 
which prefaces it. On the other hand, Mr. Pike has been eminently successful 
