Recent Litcrahire. 41 



down to include most of those which ajDpeared in the first half of the year 

 1879. We are pleased to learn that a third instalment of the Bibliography, 

 giving the " Systematic Publications " relating to the ornithology of all 

 America, is in press, and may be shortly expected. Of the laborious re- 

 search and care displayed in the preparation of this work, too great praise 

 can scarcely be accorded. 



Dr. Cones has also recently published a partial bibliography ot what is 

 commonly termed the " Sparrow- War in America," * in which are given the 

 titles of most of the papers relating to this troublesome question, usually 

 with a sliort digest of the papers mentioned. It is confessedly " very 

 incomplete," being "a portion of a more elaborate article," which the 

 author is preparing ou this subject. — J. A. A. 



RiDGWAY OX THE SpECIES OF THE GeNERA ScOPS AND TyRAXNUS, 



ETC. — The Proceedings of the United States National Museum, for 

 1878, recently issued, contain several papers by Mr. Ridgway on Amer- 

 ican Birds, in addition to those noticed in previous numbers of the 

 Bulletin. These include a new species of Humming-bird, f of the genus 

 Atlhis, from Guatemala, allied to A. heloisce, and hitherto confounded with 

 it ; a revision of the American species of the genus Scops : J new species 

 and geographical races of birds in the National Museum ; § and a synopsis 

 of the genus Ti/rannus. || Mr. Ridgway recognizes seven American spe- 

 cies of the genus Scops, two of them running into a number of geograph- 

 ical races or subspecies. These are, — 1. Scops nudipes ; 2, S. hrasilianus, 

 with varieties a. hrasilianus, j3. atricapillus, y. ustus, S. giiatenialce, e. cassi?u, 

 the last new ; 3. 5. harharus ; 4. S. Jlamnieolus ; 5. S. asio, with varieties 

 a. asio, /3. maccalli,y. kennicotti, b. Jloi'idanus, e. max well ice ; 6. S. trichopsis; 

 7. S. cooperi, Ridgw. sp. nov. Each is described in detail, with full synon- 

 ymy and comparative diagnoses. In the second above-cited paper, a new 

 variety of Rhodinocichla rosea (/3. schistacea, Ridgw.) is described from 

 Western Mexico ; two new varieties of Embernafp-a ruficirgata (/3. crassi- 



* On the Present Status ot Passer domesticus in America, with Special Refer- 

 ence to the Western States and Territories. Ihid., pp. 175 - 193. Sept. 6, 1870. 



t On a new Humming-bird {Atlhis ellioti) from Guatemala. By Robert 

 Ridgway. Proc. U. S. National Museum, 1878, pp. 8-10. 



+ A Review of the American Species of the Genus Scops, Savigny. Ibid., pp. 

 85-117. 



§ Description of Several New Species ami Geographical Races of Birds Con- 

 tained in the Collection of the United States National Museum. Ibid., pp. 

 247-252. 



Descriptions of Two New Species of Birds from Costa Rica, and Notes on 

 other Rare Species from that Country. Ibid., pp. 252-255. 



II Descriptions of New Species and Races of American Birds, including a 

 Synopsis of the Genus Tyrannus, Cuvier. Ibid., pp. 466 -■486. 



