272 Proposed Changes in the A. 0. U. Check-list. [April 



(Cf. Loomis, Proc. Calif. Acad. Sci., ser. 4, II, pt. II, No. 12, April 22, 

 1918, p. 106.) 



*Buteo platypterus iowensis Bailey = Buteo platypterus platypterus 

 (Vieillot). (Cf. Oberholser, 'The Auk,' XXXV, No. 4, Oct., 1918, 

 p. 478.) 



Thrasaetos harpyia (Linnseus) . The recent Colorado record (cf. Lowe, 

 ' The Auk,' XXXIV, No. 4, Oct., 1917, p. 454) proves to be a mis- 

 identification of Haliceetus leucocephalus. (Cf. Lincoln, ' The Auk,' 

 XXXV, No. 1, Jan., 1918, pp. 78-79.) 



Tyto alba pratincola (Bonaparte) vs. Tyto perlata pratincola (Bona- 

 parte). Proposed change (cf. Ridgway, Bull. U. S. Nat. Mus., 

 No. 50, pt. VI, 1914, pp. 601, 605) rejected. (Cf. Oberholser, ' The 

 Auk,' XXXV, No. 4, Oct., 1918, p. 464.) 



Streptoceryle alcyon caurina (Grinnell) vs. Streptoceryle alcyon 

 (Linnseus). Proposed elimination (cf. Taverner, Summary Rep. 

 Geol. Surv. Dept. Mines Canada for 1916 [1917], p. 361) rejected. 

 (Cf. Oberholser, ' The Auk,' XXXV, No. 4, Oct., 1918, p. 463.) 



Aphelocoma calif ornica woodhouseii (Baird) vs. Aphelocoma 

 woodhouseii (Baird). Proposed change to full species (cf. Swarth, 

 Univ. Calif. Pub. Zool., XVII, No. 13, Feb. 23, 1918, pp. 406-408, 

 416-418) rejected. Cf. Oberholser, Science, N. S., XLVIII, No. 1233, 

 Aug. 16, 1918, pp. 165-167). 



Aphelocoma calif ornica hypoleuca Ridgway vs. Aphelocoma 

 hypoleuca Ridgway (cf. Swarth, Univ. Calif. Publ. Zool., XVII, 

 No. 13, Feb. 23, 1918, pp. 420-421). Change rejected. (Cf. Ober- 

 holser, ' The Auk,' XXXV, No. 4, Oct., 1918, p. 481.) 



Aphelocoma calif ornica obscura Anthony vs. Aphelocoma cali- 

 fornica calif ornica (Vigors). (Cf. Swarth, Univ. Calif. Publ. Zool., 

 XVII, No. 13, Feb. 23, 1918, p. 412.) Proposed elimination rejected. 

 (Cf. Oberholser, ' The Auk,' XXXV, No. 4, Oct., 1918, p. 481.) 



Acanthis hornemanni exilipes (Coues) vs. Acanthis linaria exilipes 

 (Coues). Proposed change (cf. Brooks, 'The Auk,' XXXIV, No. 1, 

 Jan., 1917, p. 44) rejected. (Cf. Oberholser, ' The Auk/ XXXV, 

 No. 4, Oct., 1918, pp. 466-467.) 



Spizella monticola (Gmelin) vs. Spizella canadensis (Boddaert). 

 Proposed change of name (cf. Mathews and Iredale, Austral Avian 

 Record, III, No. 2, Nov. 19, 1915, p. 41) rejected because Spizella 

 canadensis (Boddaert) (Fringilla canadensis Boddaert, Tabl. Planch. 

 Enlum., 783, p. 13) is a synonym of Zonotrichia leucophrys. (Cf. 

 Oberholser, Proc. Biol. Soc. Wash., XXXI, June 29, 1918, p. 98.) 



*Junco oreganus montanus Ridgway. Regarded as a hybrid between 

 J unco oreganus and J unco mearnsi. (Cf. Dwight, Bull. Amer. Mus. 

 Nat, Hist., XXXVIII, June 1, 1918, p. 295; 297-298.) 



*Junco oreganus annectens Baird. Regarded as a hybrid between 

 Junco mearnsi and Junco caniceps. (Cf. Dwight, Bull. Amer. Mus. 

 Nat. Hist., XXXVIII, June 1, 1918, p. 298.) 



