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 



Whose NidifLcation is Unknown. 



HARPOREtYNCHTTS REDIVTVTJS LECONTEI. 



Leconte's Thrasher. 

 POLIOPTILA PLTJMBEA Baird. 



Plumbeous Gnatcatcher. 

 POLIOPTILA CALIFORNICA Brewster. 



Black-tailed Gnatcatcher. 

 KEGULTJS OBSCTJRTJS Ridgway. 



Dusky Kinglet. 

 REGTJLTJS CTJVIERI Audubon. 



Cuvier's Kinglet. 

 LOPHOPHANES WOLLWEBERI Bonap. 



Wollweber's Titmouse. 



PSALTRIPARTJS PLUMBETJS Baird. 



Lead-colored Tit. 



PSALTRIPARTJS MELANOTIS Hartlaub. 



Black-eared Tit. 

 THRTOMANES BREVICAKDA Ridgway. 



Guadaloupe Wren. 



