310 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



195 (183.7); tail, 111.5-133.5 (122.5); culmen, 15.5-19.5 (17); 

 tarsus, 21.5-27 (25); middle toe, 27.5-33 (29.9).'^ 



Young. — Much duller in coloration than adults, the general slaty 

 color more brownish (less bluish) ; entire hindneck dull grayish 

 brown (nearly hair brown); pileum dull sooty grayish posteriorly, 

 grayish white clouded with sooty grayish anteriorly. 



West Indies in general, Florida keys, and Caribbean coast from 

 Yucatan to Panama. Southern Florida (Indian, Horseneck, Boca 

 Grande, Boca Chica, Vaca, Sugar Loaf, No Name, Baliia Honda, and 

 Summerland Keys; Key West; Tortugas; Punta Kassa; Caloosa- 

 hatcliie River) ; Bahamas (Abaco, Biminis, Berry, Eleuthera, New 

 Providence, Andros, San Salvador, Long Rock near Exuma Cay, 

 Watling, Rmn Cay, Long, Green Cay, Acklin, Maragauna, Caicos, 

 Moraine Cay, Highburn Cay, Buena Vista Cay, Ragged, Washbm-n 

 Cay, and Cay Lobos islands); Greater Antilles: Cuba, Isle of Pines, 

 Grand Cayman, Cayman Brae, Jamaica, Haiti, Mona Island, Porto 



« Forty-four epecimens. 



Locality. 



Wing. 



Tail. 



Ex- 

 posed 

 culmen, 



Tarsus. 



Middle 

 toe. 



Males. 



Four adult males from Florida Keys 



Eleven adult males from Bahamas 



Three adult males from Cuba 



Eight adult males from Isle of Pines 



Two adult males from Cayman Brae 



Nine adult males from Santo Domingo 



Two adult males from Jamaica 



Two adult males from Mona Island 



One adult male from St. Croix 



Five adult males from Barbuda 



Three adult males from Antigua 



Three adult males from Swan Island, Caribbean Sea 



One adult male from Old Providence Island, Caribbean Sea 



One adult male from Cozumel Island, Yucatan 



Females. 



Four adult females from Florida Keys 



Five adult females from Bahamas 



Three adult females from Cuba 



Two adult females from Isle of Pines 



One adult female from Grand Cayman 



Eight adult females from Santo Domingo 



Six adult females from Jamaica 



Five adult females from Porto Rico 



One adult female from Mona Island 



One adult female from Virgin Gorda 



Three adult females from Antigua 



Four adult females from Swan Island, Caribbean Sea. 

 One adult female from Yucatan 



192.7 



186.6 



192.2 



190. 4 



195.5 



189.4 



199.2 



188 



189.5 



188.8 



186.5 



200.3 



196 



188 



187.7 



185.3 



177.3 



183 



183.5 



184 



184.6 



183.6 



179 



178 



1S1.7 



191.6 



160 



124.1 



121.5 



126.8 



130.5 



124.5 



125.7 



133.2 



128 



129 



124 



124 



135.8 



133 



130 



123.6 



122.7 



120.2 



121 



122.5 



119.1 



123.5 



123.1 



116 



117 



124.3 



130.6 



119 



17 



16.7 



16.5 



16.8 



18 



16.7 



17.7 



17.5 



16 



16.7 



17 



17.8 



17 



16.5 



17 



17.2 



17.2 



17 



17 



16.4 



16.4 



17.5 



16.5 



X9 



17.2 



17.2 



17 



26.5 



26 



26 



25.9 



27 



25.4 



26.5 



26 



26.5 



25.9 



25.7 



26.7 



26.5 



25 



20.2 



24.9 



24.3 



25.7 



26 



24.9 



24.4 



24.4 



24.5 



26 



25.2 



25.7 



25 



31.6 



31.3 



31 



31 



32 



29.7 



31.7 



30 



31.5 



30.9 



31.8 



30.5 



32.5 



30 



31 



29.4 



29.8 



30 



29 



29.7 



29.9 



29.9 



29 



31 



30.8 



29.7 



29 



Notwithstanding the considerable local variation in size, I have been unable to 

 discover any differences of coloration correlated therewith. 



