IRISH SPECIES UNKNOWN AS BRITISH. 
429 
of the species that was done in summing up the preceding Orders, 
what has been already said in those instances being equally 
applicable to the Natatores. It may however be observed, that 
one half of these species, being found in North America, might 
as readily have occurred in Ireland as Great Britain. 
IRISH AND NON-BRITISH SPECIES. 
RuppelFs Tern . . . » . 
White- winged Black Tern 
Noddy Tern 
Bonapartian Gull .... 
Sterna velox , Rupp. 
,, leucojptera , Meissner and 
Schinz. 
„ stolida , Linn. 
Lams Bonapartii, Rich, and 
Swains. 
The first is a bird from the extreme south-east of Europe • 
the second is chiefly a summer visitant to the more southern 
countries of Europe; — the third, having been seen, though not 
obtained, in St. George^s Channel, since the two were killed 
on the Irish coast, should not, perhaps, be included here : it is 
a well-known bird of the Atlantic and West Indian seas; — the 
Bonapartian Gull is a North American species. 
