72 



BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



County south to the San Diego area and to northern Baja Cahfornia 

 (rarely)), south through Mexico (IMatamoros; Tampico, TamauHpas; 

 Jalapa, Orizaba, and Mirador, Vcraruz) and occasionally to Guate- 

 mala and British Honduras (migi'ant?); casual in South Carolina, 

 Alabama, Mississippi, Louisiana,^'01dahoma, southern Illinois, and 

 Oregon; accidental in Massachusetts. 

 Type locality. — San Rafael, Calif. 



Figure 5. — Elanus leucurus. 



Falco melanopterus (not of Daudin, 1800) Bonaparte, Journ. Acad. Nat. Sci. 

 Philadelphia, v, pt. 1, 1815, 28 (Florida; crit.) ; Ann. Lye. Nat. Hist. New 

 York, ii, pt. 1, 1828, 435. 



Falco dispar (not of Temminck, 1825) Bonaparte, Ann. Lye. Nat. Hist. New 

 York, ii, 1828, 435; Amer. Orn., ii, 1828, 18, pi. 11, fig. 1.— Audubon, Orn. 

 Biogr., iv, 1838, 367; Birds Amer., pi. "351," i. e., 352.— Nuttall, Man. 

 Orn. United States and Canada, Land Birds, ed. 2, 1840, 95. 



Elanus dispar Audubon, Synopsis, 1839, 13; Birds Amer., 8vo ed., i, 1840, 70, 

 pi. xvi. — Nuttall, Man. Orn. United States and Canada, Land Birds, 

 ed. 2, 1840, 95. — Heermann, Journ. Acad. Nat. Sci. Philadelphia, ii, 1853, 

 260 (California). 



Elanus leucurus Bonaparte, Geogr. and Comp. List, 1838, 4; Consp. Gen. Av., i, 

 1850, 22, part; Rev. Mag. Zool., vi, 1854, 534, part. — Gambel, Proc. Acad. 

 Nat. Sci. Philadelphia, 1846, 46 (California; habits); Journ. Acad. Nat. 

 Sei. Philadelphia, 1847, 27 (Cahfornia). — Cassin, Proe. Acad. Nat. Sci. 

 Philadelphia, vi, 1853, 453 (s. North America); vii, 1855, 283 (San Francisco, 

 Calif.); lUustr. Birds California, Texas, etc., 1854, 106; in Baird, Rep. 

 Pacific R. R. Surv., ix, 1858, 37 (San Francisco, Santa Clara, and Tulare 

 Valley, Calif.); Proc. Acad. Nat. Sei. Philadelphia, 1862, 313 (San Fran- 

 cisco). — Brewer, North Amer. 061., i, 1857, 40. — Heermann, Rep. Pacific 

 R. R. Surv., vii, 1857, 31 (California); x, pt. 4, No. 2, 1859, 33 (Suisun, 

 Napa, and Sacramento Valleys, and mountains between Elizabeth Lake and 



