290 



Subfamily. STERNINJ5. 

 G&ng CMl, B. ; Tihdri, H. 

 Div. 1 . Skimmers. 

 Genus Rhynchops, L. 



1697. Rh. albicollis, Swainson (Gray's III. Gen. Birds, pi. 180). 



Hab. India generally. 



A. Adult, shot on the Ganges. R. W. G. Frith, Esq. 

 (1843). i?. Young. Calcutta bazar (1847). 

 Div. 2. Marsh Terns. 

 Genus Sylochelidon, Brehm. 



1698. S. CASPins (Savigny, Ois. d' ^gypt, pi. 9, f. 1 ; Gould's^. A. 

 Vol. VII, pi. 22). 



Syn. Sterna caspia, Latham. 

 iS. strenuus, Gould. 

 Thalassites, Catal., No. 405, Jerdon. 

 Hab. India generally (nee L. Bengal), and the warmer regions 

 of the Old World ; Australia ; rare in N. W. Europe. 



A. Adult, summer dress. From Australia. II. E. 

 Strickland, Esq. (1846). B. Do., winter dress. From 

 S. India. T. C. Jerdon, Esq. (1843). 



Genus Gelochelidon, Brehm. 



1699. G. anglicus (Wilson's Am. Orn. pi. 72, f. 6). 



Syn. Sterna anglica, Montagu. 



St. aranea, Wilson (apud Audubon, Selby, and de Kay). 



St. risoria et St. meridionalis, Brehm. 



St. nilotica, Gmelin. 



St. aj^'nis, Horsfield (nee Ruppell). 

 Hab. Warmer regions of tlie Old World, extending also to 

 America. Common in India. 



A. Adult, summer dress. B. C. Do., winter dress. 



Calcutta bazar (1842-6). 



Genus Hydrochelidon, Boie. 



1700. H. INDICA. 



Syn. Viral va indica, Stephens. 

 Sterna hyhrida, Pallas. 

 St. leucopareia, Natterer. 

 St. grisea, Horsfield. 

 St. cantiaea {?) apud Raffles. 

 St. similis. Gray (Ilardw. III. Ind. ZooL). 

 Sumar Saut ?, Sum. ; Puter-lahut, Jav. 

 Hab. Europe ; Asia ; Africa ; Malay countries : rare in N. W. 

 Europe: very common in India. N. B. II. JluviatUis, Gould {B. A. 

 Vol. VII, pi. 31,) of Australia, would seem to differ only in having the 

 entire throat white when in summer dress. 



A. Adult, summer dress. B. Do., winter. C. Do., 

 the head darkening. B. Young. Calcutta bazar (1842-6). 



