†Seiurus aurocapillus furvior Batchelder. New subspecies. Batchelder, Proc. New Engl. Zoöl. Club, VI, Feb. 6, 1918, p. 81 (Deer Pond, Newfoundland). Range: Newfoundland.
†Toxostoma redivivum helvum Thayer and Bangs. Toxostoma rediviva helva Thayer and Bangs, Proc. New Engl. Zoöl. Club, IV, April 30, 1907, p. 17 (Rosario, Lower Calif.). Revived as a subspecies. (Cf. Oberholser, ‘The Auk,’ XXXV, No. 1, Jan., 1918, p. 60.) Range: northwestern Lower California.
†Sitta carolinensis tenuissima Grinnell. New subspecies. Grinnell, Condor, XX, No. 2, March 20, 1918, p. 88 (Hanaupah Canyon, Panamint Mts., Inyo Co., Calif.). Range: Panamint Mountains and White Mountains, California.
†Penthestes gambeli abbreviatus Grinnell. New subspecies. Grinnell, Univ. Calif. Publ. Zool., XVII, No. 17, May 4, 1918, p. 510 (Horse Creek, Siskiyou Mts., Calif.). Range: central California to southern Oregon and northwestern Nevada.
†Penthestes gambeli inyoensis Grinnell. New subspecies. Grinnell, Univ. Calif. Publ. Zool, XVII, No. 17, May 4, 1918, p. 509 (three miles east of Jackass Spring, Panamint Mts., Inyo Co., Calif.) Range: mountains of southeastern California, from Mono County to Inyo County.
†Hylocichla guttata polionota Grinnell. New subspecies. Grinnell, Condor, XX, No. 2, March 20, 1918, p. 89 (Wyman Creek, White Mts., Inyo Co., Calif.). Range: White Mountains, California.
Rejections and Eliminations.[28]
Gavia arctica (Linnæus) vs. Gavia arctica suschkini Sarudny (cf. Hersey, ‘The Auk,’ XXXIV, No. 3, July, 1917, pp. 289-290). Change of name rejected. (Cf. Dwight, ‘The Auk,’ XXXV, No. 2, April, 1918, pp. 196-199.)
★Fulmarus glacialis glupischa Stejneger = Fulmarus glacialis rodgersii Cassin, because the latter is merely a color phase of the species. (Cf. Loomis, Proc. Calif. Acad. Sci., ser. 4, II, pt. II, No. 12, April 22, 1918, pp. 87-90.)