Petrochelidon 1 uni Irons. 
May 31, 1396, Lake Umbagog, New England. 
Coll. C.H.Watrous. 
Identified by birds seen and character of nest. 
Under eaves of barn on the Gibbs (formerly Hayward) farm near 
the Narrows. 
Nest /4 (2856), nest destroyed in transit 
Five eggs (2857.), 
Four " (2858), slightly incubated. 
" " (2859), » » 
" " (2860), inc.a few days. 
" " (2361), inc.only just begun. 
" " £2862), slightly incubated. 
" " (2863 ), " " 
" " (2864), inc.several days. 
“ " (2865). 
Nearly fresh. 
