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1914 BIRDS OF ARIZONA 65 



286. Lanius borealis Vieillot. 



Northern Shrike. 



Synonyms — Colly rio borealis; Collurio borealis. 



Status — Only one record, that of a specimen secured by Cones ( 1806a, p. 73 ) 

 at Fort Whipple, in February, 1865. 



287. Lanius ludovicianus excubitorides Swainson. 



White-rumped Shrike. 



Synonyms — Lanhts ludovicianus; Collyrio excubitorides ; Collurio ludovi- 

 cianus var. excubitorides ; Collurio excubitoroides. 



Status — Bound in the Lower Sonoran zone of southern Arizxma, along the 

 Colorado River, and the Desert of the Little Colorado in northeastern Arizona. 

 Apparently restricted to the Lower Sonoran zone in the breeding season but ring- 

 ing into Upper Sonoran in late summer and fall : one specimen, Fort Whipple, 

 September 4, 1864 (Coues, 1866a, p. 73) ; foothills of the Huachuca Mountains, 

 October (Swarth, 1908, p. 115). Not known to occur in the high plateau region 

 of central Arizona, and but sparsely distributed in the region where it is found. 



288. Vireosylva olivacea (Linnaeus). 



Red-eyed Vireo. 



Synonym — J 'ireo olivaccus. 



Status — But a single record, that of a specimen secured by Lusk in the 

 Huachuca Mountains, May 20, 1895. This specimen is now in the Swarth collec- 

 tion (Swarth, 1904b, p. 49). 



289. Vireosylva gilva swainsoni (Baird). 



Western Warbling Yireo. 



Synonyms — Vireo gilvus; Vireo swainsoni; Vireo gilvus swainsoni. 



Status — A common summer visitant ot the Upper Sonoran and Transition 

 zones of northern and central Arizona: Fort Whipple (Coues, 1866a, p. 75) ; San 

 Francisco Mountain (Merriam, 1890, p. 98). Of rare occurrence south of the 

 central plateau region, but has occasionally been found breeding at the extreme 

 southern boundary of the state: Santa Catalina Mountains (Scott, 1888, p. 32); 

 Huachuca Mountains (W'illard, tqo8c, p. 230). Abundant and of general dis- 

 tribution during the migrations. 



290. Lanivireo solitarius cassini (Xantus). 



Cassin Vireo. 



Synonyms — Vireo solitarius; Vireosylvia solitaria; J 'ireo solitarius cassitii. 



Status — A migrant, of common occurrence and general distribution. Re- 

 ported from numerous localities in various parts of the state, but not from the 

 desert region of the northeast corner. Specimens have been taken at Forts Whip- 

 ple, Mohave, Apache, and Crittenden, and also at San Francisco Mountain, 

 Mount Graham, and the Santa Rita, Santa Catalina, and Huachuca mountains. 



