WILD-LIFE IN FOREST AND FJELD. 295 
male is the smaller, and performs all domestic offices, 
including incubation, etc., the larger and handsomer 
females meanwhile disporting themselves, swimming in 
small flocks, hard by.* 
A STUDY IN VIGILANCE. 
(Black-tailed Godwit.) 
Ruff—breeds in Jutland by May 15th. In the 
Lapland morasses about a month later. 
* This observation also applies, though in less degree, to several 
congeneric species, as, e.g., the Purple Sandpiper, Temminck’s Stint, 
and others. 
