Vo J 8 J VI ] Ninth Supplement to the A. O. U. Check-List. I 23 



■Genus SYLVANIA Nuttall (Check-List, 2d eel, p. 285). 

 This becomes 



Genus WILSONIA Bonap. 



Wilsonia Bonap. Geog. and Comp. List, 1838, 23. Type, 

 Sylvia mitrata Latham = Motacilla mitrata Gmel. 



Sylvania is a strict synonym of Setophaga Swains, (cf. Coues, 

 Auk, XIV, 1897, 223) . Hence Nos. 684 to 686 will stand 

 as follows : 



684. Wilsonia mitrata (Gmel.) . 



Motacilla mitrata Gmel. S. N. I. ii, 1788, 977. 

 Wilsonia mitrata Bon. Geog. and Comp. List, 1838, 23. 



685. Wilsonia pusilla (Wils.) . 



Muscicapa pusilla Wils. Am. Orn. Ill, 181 1, 103, pi. xxvi, 



fig. 4. 

 Wilsonia 'pusilla Bon . Geog. and Comp. List, 1838, 23. 



685rt. Wilsonia pusilla pileolata (Pall.). 



Motacilla pilcolata Pall. Zool. Rosso-As. I, 181 1, 497. 

 Wilsonia pusilla pileolata Coues, Bull. Nutt. Orn. Club, V, 

 April, 1880, 95. 



686. Wilsonia canadensis (Linn.). 



Muscicapa canadensis Linn. S. N. ed. 12, I, 1766, 327. 

 Wilsonia canadensis Coues, Bull. Nutt. Orn. Club, V, April, 

 1880, 95. 



710^. Harporhynchus redivivus pasadenensis Grinnell. 



Pasadena Thrasher. 



Harporhynchus redivivus pasadenensis Grinnell, Auk, XV, 

 July, 1898, 237. 



[B 256, part, C impart, R 16, part, C 23, part.} 



