Additions, Subtractions, Emendations 



and has been separated as 622e. Migrant Shrike (L. /. migrans). Similar to 

 L. I. ludoviciantts but bill smaller and colors averaging paler. Not so pale as, 

 and lacking the whitish upper tail-coverts of L. I. excuMtorides. 



Range. — "Eastern North America. Breeds chiefly in Transition and Upper 

 Austral Zones from northern Minnesota, Wisconsin, Michigan, southern Ontario, 

 southern Quebec, Maine, and New Brunswick, south to eastern Kansas, southern 

 Illinois, Kentucky, western North Carolina and interior of Virginia (locally in the 

 east) ; winters from Middle States and southern New England to Texas, Louisiana, 

 and Mississippi" (A. O. U.). 



The Range of the Loggerhead Shrike (No. 622) is therefore restricted to the 

 South Atlantic and Gulf States from southern North Carolina south through 

 Florida and west to Louisiana. 



Page 250. After No. 612 add: 612a. Lesser Cliff Swallow (P. J. tachina). 



Similar to P. 7. hmifrons but decidedly smaller, the forehead ochraceous instead 



of cream color. W. 4.08; T. 1.77 (Oberholser). 



Range. — "Texas and Mexico. Breeds in western Texas, the Rio Grande 

 "Valley, and through eastern Mexico to Vera Cruz" (A. O. U.). 



Page 250. No. 612.2 Petrochelidon melanogastra, becomes No. 612b, Petro- 

 cheUdon tunifrons melanogastra. 



Page 250. After No. 611.1 (which is now believed to be of only occasional 

 occurrence in southern Florida) add: 611.2. Gray-breasted Martin {I'ror/iw 

 chalybea). Male much like the female of P. subis but brighter, more uniformly 

 steel-blue above. Female like female of P. subis but brighter, more uniformly 

 gray, the belly whiter, without black shaft-streaks; the nape without sign of a 

 collar in either sex. W. 5.2. 



Range. — Breeds from Lower Rio Grande in Texas south to southern Brazil. 



Page 253. After No. 496 (which has become Tangavius teneus involucratus) 



add: 436a. Bronzed Cowbird (T. w. ameus). Similar to T. w. involucratus but 



plumage of the male smoother and more glossy; the female much grayer, more 



like female of M. ater. 



Range. — "San Antonio, Texas, south through eastern Mexico, Yucatan and 

 central America to Panama" (A. O. U.) 



The Range of No. 496 is hence restricted to the region from northwestern 

 Mexico to southern Arizona. 



Page 255. After No. 488a. add: 488b. Western Crow (C. b. hesixris). 



Similar to No. 488 "but decidedly smaller, with bill relatively smaller and more 



slender." <? W. 11.88; T. 6.72; B. 1.87; depth of B. at nostril .62 (Ridgway). 



Range. — "Western North America, from east central British Columbia and 

 Montana south to southern California, Arizona, and western Texas" (A. O. U. ). 



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