738 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Page 22: To citations of Anthus s;pragueii add: 



Knight, Bull. Univ. Wyom. Agric. Ex. Sta., no. 55, 1902, 150 (Cheyenne, Wyoming, 

 1 spec, Apr. 24, 1888). 



Page 26, footuote: The earliest publication of Alopochelidon to be 



cited as follows: 



Alopochelidon Bidgway, Proo. Biol. Soc. Wash., xvi, Sept. 30, 1903, 106. (Type, 

 Hirundo fucata Temminck.) 



Page 27, footnote: The earliest publication of Orochelidon and 

 DiplocheUdon to be cited as follows: 



Orochelidon Ridgway, Proc. Biol. Soc. Wash., xvi, Sept. 30, 1903, 106. (Type, 



Petrochelidon murina Caasin, = Hirundo dnerea Gmelin?) 

 DiplocheUdon Eidgway, Proc. Biol. Soc. Wash., xvi, Sept. 30, 1903, 106. (Type, 



Hirundo melanoleuca Maximilian. ) 



Page 34: To citations of Progne svMs add: 



Nehkling, Our Native Birds, i, 1893, 386, pi. 18, flgs. 2, 3.— Knight, Bull. Univ. 

 Wyom. Agric. Ex. Sta., no. 55, 1902, 138 (e. Wyoming, summer res.). 



Page 34; To citations of Progne purpurea add: 



WooDHonsE, in Eep. Sitgreaves' Expl. Zufii and Col. R., 1853, 65 (Indian Terri- 

 tory; Texas.) 



Page 40: To citations of Progne dominicensis add: 



Fbilden, Ibis, 1889, 483 (Barbados). — Bowdish, Auk, xx, 1903, 15 (Porto Eico; 

 habits). 



Page 42: To r&n^&oi Progne chdlyhea,a.AA.: Guerrero (Egido Nuevo). 

 Page 44: To citations of Progne modesta add: 



Snodgrass and Hellee, Proc. Wash. Ac. Sci., v, 1904, 347 (range, measurements, 

 etc.). 



Page 48 : To breeding range of Petrochelidon lunifrons lunifrons add: 

 Jalisco (La Barca). 



Page 50: To synonomy of Petrochelidon lunifrons lunifrons -a-diA: 



Hlj.rundo'] fulva Gaxbkl, Joum. Ac. Nat. Sci. Phila., ii, 1847, 31 (California). 



Page 50: To citations of Petrochelido7i pyrrhonota add: 



Gibson, Ibis, 1885, 277 (Paisandii, Uruguay; descr. nest and eggs). 



Page 51: To citation of Petrochelidon lunifroTis tachina add: ' 



American Ornithologists' Union Committee, Auk, xxi, 1904, 415 (check list no. 

 612o). 



Page 52: To breeding range of Petrochelidon lunifrons melanog aster 

 add: Puebla (Atlixco). 



Page 52: To synonymy of Petrochelidon lunifrons melanogaster ai.dd: 



Petrochelidon lunifrons melanogasira American Ornithologists' Union Committkb, 

 Auk, xxi, July, 1904, 415. 



