454 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male.— Length (skins), 265-311 (281) ; wing, 140-158 (146.5); 

 tail, 96-113 (107.2); exposed culmen, 14-17.5 (16); tarsus, 27.5-33 

 (30.1) ; middle toe, 22.5-26 (24.3) .« 



Adult female.— Length, (skins), 250-300 (276); wing, 135-152.5 

 (143.8); tail, 94.5-114.5 (103.3); exposed culmen, 14.5-17 (16.2); 

 tarsus, 27-31 (29.4) ; middle toe, 22-25 (24.1).^ 



Southern Texas (Brownsville; Fort Brown; Hidalgo; Lomita 

 Ranch) and southward over nearly the whole of Mexico (except south- 

 eastern coast district, from southern Vera Cruz to Yucatan and 

 northern Chiapas), in Tamaulipas (Forlon; Victoria; Linares; Sota la 

 Marina; Camargo; Rio de la Cruz; Aldama; Tampico), Vera Cruz 

 (Playa Vicente; Jalapa; Orizaba; Mirador; Rivera; Pasa Nueva; 

 Cuesta de Misantla; Coatepec; Atoyac; Sochiapa; Vega del Casadero), 

 Puebla (Metlaltoyuca ; Rancho del Ahuehuete), San Luis Potosi, 

 Nuevo Leon (Monterey; Montemorelos ; Rio Salada; Hacienda de las 

 Escobas; Rio de la GiUa; Pesqueria Grande), southern Sonora 

 (Alamos), Durango (Chacala), Sinaloa (Matzatlan; Escuinapa), 

 Jalisco (Barranca Veltran; Lake Chapala), Tepic (San Bias; Santiago), 

 Michoacan (Los Reyes) Colima (Manzanillo; Santiago; Rio de la 



o Thirty-two specimens. 



b Twenty-seven specimens. 



Locality. 



Middle 



toe. 



MALES. 



Nine adult males from southern Texas 



Four adult males from Tamaulipas 



Two adult males from Nuevo Leon 



One adult male from southern Sonora 



Two adult males from Durango 



One adult male from Michoacan 



One adult male from Colima 



Two adult males from Oaxaca 



Five adult males from middle and northern Vera Cruz.. . 

 One adult male from western Chiapas (Tuxtla Gutierrez) 



Three adult males from Guatemala 



One adiUt male from Nicaragua 



FEMALES. 



Ten adult females from southern Texas ." 



Two adult females from Tamaulipas 



Three adult females from Nuevo Leon 



One adult female from Jalisco 



One adult female from Sinaloa 



One adult female from Colima 



Two adult females from Guerrero 



One adult female from Oaxaca 



Two adult females from middle and northern Vera Cruz . 



One adult female from Puebla 



One adult female from San Luis Potosi 



Two adult females from Nicaragua 



24.7 



24.5 



25 



22.5 



23 



23.5 



23.5 



24 



24.3 



23 



24.3 



26 



23.7 



24 



23.3 



23.5 



24.5 



22 



24 



24 



24.7 



25 



24 



22.5 



