738 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Page 22: To citations of Anthus sjjragueU add: 



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

 1 spec, Apr. 24, 1888). 



Page 26, footnote: The earliest publication of Aloj)OcheUdon to be 

 cited as follows: 



Alopoclielidon Ridgway, Proo. Biol. See. Wash., xvi, Sept. 30, 190:3, 106. (Type, 

 Hinmdo fucata Temminck.) 



Page 27, footnote: The earliest publication of OrocheUdon and 

 Diploclielidon to be cited as follows: 



OrocheUdon Ridgway, Proc. Biol. Soc. W^ash., xvi, Sept. 30, 1903, 106. (Type, 



Petrochelidon murina Cassin, = Hlrundo cinerea Gmelin?) 

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



Hirundo melanoleuca Maximilian.) 



Page 34: To citations of Progne subis add: 



Nehrling, Our Native Birds, i, 1893, 336, pi. 18, figs. 2, 3.— Knight, Bull. Univ. 

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



Page 34; To citations of Progne jpurjyurea add: 



WooDHOUSE, in Rep. Sitgreaves' Expl. Zuni and Col. R., 1853, 65 (Indian Terri- 

 tory; Texas.) 



Page 40: To citations of Progne dominicensis add: 



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

 habits). 



Page 42: To van^Qoi Progne chalyhea^Siddi'. Guerrero (Egido Nuevo). 

 Page 44: To citations of Progne modesta add: 



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

 etc.). 



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

 Jalisco (La Barca). 



Page 50: To synonomy of Petrochelidon lunifrons lunifnms add: 



H{imndo'] fulva Gambel, Journ. Ac. Nat. Sci. Phila., ii, 1847, 31 (California). 



Page 50: To citations of Petrochelidon pyrrhooiota add: 



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



Page 51: To citation of Petrochelidon lunifrons tachina add: 



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

 612a). 



Page 52: To breeding range of Petrochelidon lunifrons m^elanogaster 

 add: Puebla (Atlixco). 



Page 52: To synonymy of Petrochelidon hmfrons melanog aster 2idA\ 



Petrochelidon hmifrom^ melanogasira American Ornithologists' Union Committee, 

 Auk, xxi, July, 1904, 415. 



