206 Proposed Changes in the A. 0. U. Check-List. [April 



III, pt. 1, April 2, 1913, pp. 81-84.) Its only North American species, 

 now in the genus JEgialitis, is: 



Cirrepidesmus mongolus (Pallas). 

 fLeucopolius Bonaparte, Compt. Rend. Acad. Sci., XLIII, 1856, p. 417 

 (type, Charadrius marginatus Vieillot). Recognized as a genus. 

 (Cf. Mathews, Birds Australia, III, pt. 2, May 2, 1913, pp. 108-115). 

 Includes only one North American species, which is now in the genus 

 JEgialitis : 



Leucopolius alexandrinus nivosus (Cassin). 

 .ffigialitis nivosa (Cassin) becomes Leucopolius alexandrinus nivosus 

 (Cassin), because only subspecifically different from Leucopolius 

 alexandrinus. (Cf. Mathews, Birds Australia, III, pt. 2, May 2, 



1913, p. 114; Hartert and Jackson, Ibis, 1915, pp. 527-528.) 

 tElseya Mathews. New genus. Mathews, Birds Australia, III, pt. 2, 



May 2, 1913, p. 125 (type, Charadrius melanops Vieillot). Includes 

 one North American species now in the genus JEgialitis : 

 Elseya dubia (Scopoli). 

 Jacana spinosa (Linnaeus) becomes Jacana spinosa gymnostoma 

 (Wagler) (Parra gymnostoma Wagler, Isis, 1832, p. 517; Mexico), by 

 recognition of the Mexican bird as distinct from that of Central 

 America. (Cf. Todd, Annals Carnegie Mus., X, Jan., 1916, pp. 219- 

 220.) 



t Jacana spinosa violacea (Cory). Parra violacea Cory, Bull. Nuttall 

 Ornith. Club, VI, No. 3, July, 1881, p. 130 (Haiti). Recognized as a 

 subspecies for the West Indian representatives of Jacana spinosa, 

 with which Florida birds are identical. (Cf. Todd, Annals Carnegie 

 Mus., X, Jan., 1916, pp. 217-220.) 



fLophortyx calif ornica catalinensis Grinnell. Lophortyx catalinensis 

 Grinnell, The Auk, XXIII, No. 3, July, 1906, p. 262 (Avalon, Santa 

 Catalina Island, California). Reinstated as a subspecies. (Cf. 

 Oberholser, The Auk, XXXIV, No. 2, April, 1917, p. 194.) Range: 

 Santa Catalina Island, California. 



fPedioecetes phasianellus jamesi Lincoln. New subspecies. Lincoln, 

 Proc. Biol. Soc. Wash., XXX, May 23, 1917, p. 84 (three miles west 

 of Castle Rock, Colo.). Range: foothills of Rocky Mountains from 

 Colorado to Wyoming. 

 Circus hudsonius (Linnaeus) becomes Circus cyaneus hudsonius 

 (Linnaeus). (Cf. Hartert, Vogel paliiarkt. Fauna, Heft IX [Band II, 

 Heft 3], Oct., 1914, p. 1142.) 

 Astur atricapillus (Wilson) is considered a subspecies of the European 

 Astur gentilis (Linnaeus) (= Astur palumbarius [Linnaeus]). (Cf. 

 Hartert, Vogel. paliiarkt. Fauna, Heft. IX [Band II, Heft 3], Oct., 



1914, p. 1151.) The American races of this species will, therefore, 

 now stand as: 



Astur gentilis atricapillus (Wilson). 

 Astur gentilis striatulus Ridgway. 



