28. LEPToniLA. 543 



Adult female. Upper parts brown-greyish olive; forehead light 

 grey ; cheeks greyish ; chin and throat white ; underparts grey, tinged 

 with brown on the neck and sides, and changing into white on the 

 middle of tho abdomen and under tail-coverts, the latter minutely 

 dotted with grey ; on tho hind part of the head and on the neck the 

 edges of the feathers are dull amethystine, with green reflections in 

 some lights ; also the anterior part of the neck has the same ame- 

 thystine lustre, with green reflections, but duller ; primaries 

 greyish ; under wing-coverts greyish brown ; central tail-feathers 

 uniform brown-greyish olive, like tho back ; the lateral feathers 

 have the base blackish and a broad grey terminal band ; the inner 

 feathers are more tinged with olive-brown on the outer web ; tail 

 underneath black, with a broad apical grey band : " bare skiu 

 round the eyes, iris, and feet vinous red ; bill black " {Bocage). 

 Total length about 105 inches, wing 5 - S, tail 4, bill 058, tarsus 

 1-18. 



The adult male, according to Prof. Bocage, has the back and 

 wings of a darker colour, and the forehead white. 



Hah. Island of St. Thomas. 



a, b. 2 ad. sk. Island of St. Thomas, Prof. Barboza du Bocage 



Feb., Sept. [P.J. 



28. LEPTOPTILA*. _ 



Leptotila, Sw. Class. B. ii. p. 349 (1837) L. rufaxilla. 



Leptoptila, G. R. dr. List Gen.B. 2nd ed. p. 7o(1841) 



(nomen emend.). 

 Ilomoptila, Salvad. Atti R. Ac. Sc. Tor. vi. p. 131 



(1871) L. ochroptera. 



Engvptila, Sundev. Meth. nat. Av. disp. Tent. p. 156 



(1872) ( = Leptoptila, Sw.) f. 



JEchmoptila, E. Coues, in G. B. Sennet? s Report, Bull. 

 U.S. Sure. Terr. iv. p. 48 (1878) (= Leptoptila, 

 Sw.). 



Range. From Texas, through Mexico and Central America to 

 S. America as far as Peru and the Argentine Republic. 



Key to the Species. 



Long-tailed group: underparts never greyish. 

 a '. No bluish-grey colour on the crown. 



a". Inner web of the quills uniform brown, 



or with a very slight tinge of rufous on 



the inner edge brachypti m, p. -"i-l"). 



* I cannot see any cause for confusion in using the genus Leptoptila, Sw., 

 although there is a genus Leptoptilos, Less. 



*■ Cory (Auk, 1887, p. Ill) gives for Engvptila the incomplete reference: 

 Sundev. Stockh. Akad. Handl. 1635, where 1 have failed to discover it. 



