V01 i909" VI ] Fifteenth Supplement to the A. 0. U. Check-List. 299 



546. Ammodramus savannarum austraUs Maynard. 

 546a. Ammodramus savannarum bimaculatus Swainson. 

 5466. Ammodramus savannarum floridanus (Mearns). 



Subgenus AMMODRAMUS Swainson. This is changed to 

 Genus PASSERHERBULUS Maynard. 



Passerherbulus Maynard, Birds Eastern N. A., 2d ed., Pt. 40, 

 1895, 707. Type, Emberiza leconteii Audubon. 



Nos. 547-551 thus become 



547. Passerherbulus henslowi (Audubon). 



547a. Passerherbulus henslowi occidentalis (Brewster). 



548. Passerherbulus lecontei (Audubon). 



549. Passerherbulus caudacutus (Gmelin). 

 549.1. Passerherbulus nelsoni (Allen). 



549.1a. Passerherbulus nelsoni subvirgatus (Dwight). 



550. Passerherbulus maritimus (Wilson). 



550a. Passerherbulus maritimus peninsulae (Allen). 



5506. Passerherbulus maritimus sennetti (Allen). 



550c. Passerherbulus maritimus fisheri (Chapman). 



550a 7 . Passerherbulus maritimus macgillivraii (Audubon). 



551. Passerherbulus nigrescens (Ridgway). 



Genus HELMINTHOPHILA Ridgway. This becomes 

 Genus VERMIVORA Swainson. 



Vermivora Swainson, Philos. Magazine, n. s., I, June, 1827, 

 434. Type, Sylvia solitaria Wilson = Certhia pinus 

 Linn.eus. 



Nos. 640-647 thus become 



640. Vermivora bachmani (Audubon). 



641. Vermivora pinus (Linnaeus). 



642. Vermivora chrysoptera (Linnaeus). 



643. Vermivora luciae (Cooper). 



