Mosquitoes and Parasite Problems, 147 
Dendrocolaptine bird — Anumbius acuticaudatus — 
much infested by an Ornitliomyia, a pretty, pale 
insect, half the size of a liouse-fly, and elegantly 
striped with green. It is a very large parasite for 
so small a bird, yet so cunning and alert is it, and 
Firewood-gatherer and Bird-fly. 
SO swiftly is it able to swim through the plumage, 
that the bird is unable to rid itself of so un- 
desirable a companion. The bird lives with its 
mate all the year round, much of the time with its 
grown-up young, in its nest — a large structure, in 
