BIRDS OF NORTH AND MIDDLE AMERICA. 



701 



84-97 (90.3); exposed culmen, 19.5 -25.5 (22.8); tarsus, 17-21 (18.7); 

 middle toe, 12.5-15 (14.1).« 



a Thirty-five specimens. 



Locality. 



MALES. 



Six adult males (of T. m. melancholicuK) from Paraguay (1), 

 Argentina (2), and southorn Brazil (.S) 



Four adult males (of T. m. melanchoUcuxl) from oiistern 

 Peru 



Two adult males (of T. m. melancholicus'^) from western 

 Ecuador (Guayaquil) 



Four adult males from Guiana (1) and Lower Amazoti (.3) . . 



One adult male from Grenada 



Two adult males from Tobago 



Two adult males from Venezuela 



Six adult males from Colombia (Province of Santa Marta) . . 



Five adult males from Panama 



Ten adult males from Costa Rica 



Four adult males from Nicaragua (3) and southern Hon- 

 duras (1) 



Four adult males from Guatemala (3) and Chiapas 



Ten adult males from Yucatan 



Nine adult males from Cozumel I sland 



Two adult males from Tabasco ^. 



Three adult males from Oaxaca 



One adult male from southern Vera Cruz ( Jaltipan) 



Four adult males froni Sinaloa (3) and Jalisco (1) 



Four adult males from Tres Marias Islands 



Seven adult males (of T. m. couchii) from northern Vera Cruz 

 (1), Tamaulipas, Nuevo Leon, and Texas 



FEMALES. 



One adult female ( T. m. mdancholicus) from Argentina 



One adult female ( T. m. mdancholicus) from southwestern 

 B razil (Chapada) : 



One adult female { T. m. melancholicus) from Bolivia (La 

 Paz) 



One adult female ( T. m. melancholicus?) from western 

 Ecuador (Guayaquil) 



Four adult females from Trinidad (2) and Tobago (2) 



Two adult females from Colombia 



Four adult females from Panama 



Six adult females from Costa Rica 



Five adult females from Nicaragua (4) and southern Hon- 

 duras (1) 



Three adult females from northern Honduras (2) and Guate- 

 mala (1) 



Four adult females from Yucatan 



Five adult females from Cozumel Island 



Two adult females from Oaxaca 



Nine adult females ( T.m. couchii) from northern Vera Cruz, 

 Tamaulipas, Nuevo Leon, and Texas 



16.7 



1(5. 5 



17 



17.2 



17.5 



17.8 



18.3 



18.5 



18.5 



18.1 



18.5 



19.3 



19.2 



20 



18.5 



18.6 



18 



19.1 



18 



18 



18.5 



18.5 



18 



17.7 



18 



18.7 



20 

 18.6 

 19.2 

 19.5 



For convenience of comparison I have given measurements of all the forms. These 

 show that there is no material variation (considering inctiviality of the series from the 



