SANDWICH TERN—WHISKERED TERN. 327 
256. Sterna cantiaca. Sandwich Tern. 
An occasional visitor to the coast, on spring and 
autumn migration. 
Our earliest records relate to the Isle of Wight, where 
one was shot near No-man buoy on April 13th, 1858, and 
another off Bembridge in September, 1859. (More.) 
There is a specimen without date in the Earl of Mal- 
mesbury's collection, and Mr. Hart possesses a pair obtained 
near Christchurch on May 14th, 1880. 
Hadfield records an example obtained at Freshwater in 
the autumn of 1888.' 
Genu S — Hydrochelidon. 
257. Hydrochelidon hybrida. Whiskered Tern. 
A rare accidental visitor. 
In the Hart collection at Christchurch is a specimen 
shot in that neighbourhood in June, 1875. 
258. Hydrochelidon leucoptera, White-uinged 
Black Tern. 
A rare occasional visitor. 
Mr. Hart possesses specimens procured on May 2nd 
and 3rd, 1883, and May i8th, 1886, and has remarked on 
their always appearing on a certain reach of the Avon at 
Christchurch. 
^ *' Zoologist." January, 1889. 
