8o BIRDS. 



328. Sterna bergi Lichtenstein, Ruppell's Tern. 



329. Sterna caspia Pall Caspian Tern. 



Accidental visitant from the shores of Continental Europe 

 and Africa, of extremely rare occurrence. 



Filey, one, early in September, 1874 (Willis, Field, Nov. 15, 

 1879. p. 684). 



330. Sterna anglica Mont. Gull-billed Tern. 



Accidental visitant from Southern Europe and Northern 

 Africa, of extremely rare occurrence. 



Leeds, a mature bird, which had been shot at and wounded 

 on a mill reservoir, was brought alive to Mr. H. Denny 

 in the last week of July, 1843 (Denny, Ann. & Mag. N.H., 

 1843, p. 297). 



331. Sterna cantiaca Gm. Sandwich Tern. 



Periodical visitant, not uncommon off the coast in autumn, 

 on its passage south. One was shot at Filey on the 15th 

 of December, 1875, an unusual date. 



332. Sterna fuliginosa Gm. Sooty Tern. 



Accidental visitant from Northern and Central America, of 

 extremely rare occurrence. 



Scarborough, one in the collection of Mr. Edward Tindall, 

 shot at Scalby in 1863 (Tindall, MS.). 



333. Sterna anaestheta Scop. Smaller Sooty Tern. 



334. Hydrochelidon hybrida {Pall). Whiskered Tern. 



335. Hydrochelidon leucoptera {Schinz). White-winged 



Black Tern. 



Accidental visitant from Southern Europe, of extremely rare 

 occurrence. 



Scarborough, one shot in i860 is now in the collection of 



Mr. Edward Tindall (Tindall, MS ). 

 Flamborough, a single mature bird was seen for some days in 



the spring of 1867, but not procured (Cordeaux, Birds of 



Humber, p. 197). 



