BIRDS WHOSE NIDIFICATION IS UNKNOWN. 91 



tend to give an exact list of these, but will mention 

 a few ; the discovery of the nest and eggs of any one 

 of them would be a plume in the cap of an orni- 

 thologist — indeed the birds themselves, as a rule, 

 are rare enough to make their skins highly prized 

 in collections. Following are the names ; 



LIST OF BIRDS 



Wlxose Nidificatioii is TJnkno^wii. 



HARPORHYNCHUS REDIVIVUS LECONTEI. 



Leconte's Thrasher. 

 POLIOPTILA PLUMBEA Baird. 



Plumbeous Gnatcatcher. 

 POLIOPTILA CALIFORNICA Brewster. 



Black-tailed Gnatcatcher. 

 REGULUS OBSCURUS Ridgway. 



Dusky Kinglet. 

 REGULUS CUVIERI Audubon. 



Cuvier's Kinglet. 

 LOPHOPHANES WOLLWEBERI Bonap. 



Wollweber's Titmouse. 

 PSALTRIPARUS PLUMBEUS Baird. 



Lead-colored Tit, 

 PSALTRIPARUS MELANOTIS Hartlaub. 



Black-eared Tit. 

 THRYOMANES BREVICANDA Ridgway. 



Guadaloupe Wren. 



