INTRODUCTION, 11g 
of the whole four hundred and fourteen kinds which compose the 
group. They are remarkable for a flattened bill, and for the 
strong bristles about the gape. The Tyrant-bird is a voracious 

Bridges’s Woodhewer (Drymornis bridgesi). 
eater of insects, but as Bees are amongst those destroyed by it, 
it is not a popular bird in North America. Birds which are 
really aggressive and destructive are the Shrikes. Amongst 
them may be noted the Great Grey Shrike, which is but an 
