PHAEAROPES. 
265 
rounded by a membrane ; tongue slender and 
pointed;* tarsi very much flattened; other 
parts as in Plialaropus. 
Types, L. hyperborea , Wilsonii. Northern Europe, 
North and Arctic America, ranging to the bor- 
ders of the Southern Continent. 
Note. — Habits, and, to a certain extent, the 
changes of Plialaropus ; “ breeds in swampy 
situations close to the water’s edge."t 
* Selby. + Dann. 
