300 Fijteenth Supplement io the A, O. U. Check-List. ae 
644. Vermivora virginie (Barrp). 
645. Vermivora rubricapilla (WiLson). 
645a. Vermivora rubricapilla gutturalis (Ripaway). 
646. Vermivora celata (Say). 
646a. Vermivora celata lutescens (Ripaway). 
646). Vermivora celata sordida (C. H. TowNsEnD). 
647. Vermivora peregrina (WILSON). 
662. Dendroica blackburnie (GMELIN). ‘This is changed to 
662. Dendroica fusca (P. L. S. MULiER). 
Motacilla fusca MULLER, Natursyst. Suppl., 1776, 175. (Cf. 
BrruepscH, Novit. Zool., XV, 1908, 315.) 
This change is made necessary by reason of Motacilla fusca 
MU ier having priority over M. blackburnia GMELIN. 
IV. PROPOSED ADDITIONS AND CHANGES NOT 
ACCEPTED: 
Plautus ! vs. Alea. 
Thalasseus vs. [1 ydroprogne. 
Actochelidon vs. Thalasseus. 
Fulmarus vs. Rhantistes. 
Herodias vs. Leucophoyx. 
Lophortyx catalinensis GRINNELL, Auk, XXIII, 1906, 262. Re- 
considered and again found not entitled to recognition. 
Chemepelia vs. Coluwmbina. 
Catharista vs.———? 
Urubitinga vs. Morphnus. 
Speotyto cunicularia becki Roruascuity & Hartrert, Nov. Zool., 
IX, 1902, 405. The Guadaloupe Island form is too shghtly 
differentiated to warrant recognition. 
Ceryle vs. Alcedo. 
Picoides americanus fumipectus GRINNELL, Univ. Calif. Pub. Zodl., 
V, 1909, 217. The single known specimen considered as not a 
satisfactory basis for the admission of this form. 
Otocoris alpestris enertera OBERHOLSER, Proc. Biol. Soc. Wash., 
XX, 1907, 41. Regarded as too close to O. a. pallida. 
1 In reference to the generic cases here listed see antea, p. 295. 
