144 BIRDS OF NOVA SCOTIA—DOWNS. 
Subfamily ALLIN2. 
Genus ALLE. 
12, Alle alle Dovexie; “ Lirrte Aux.” 
Formerly common, but now rare. At one time it was not un- 
common to see them shot from the wharves. 
OrRvDER LONGIPENNES. LOoNG-wINGED SWIMMERS. 
FamiIty STERCORARUZ. Skuas & JAEGERS. 
Genus MEGALESTRIS. 
13. Megalestris skua, Sxva. 
Not very common. Winter and Spring. 
Genus STERCORARIUS. 
14. Stercorarius pomarinus (Temm). (36.) PoMaRINE JAEGER. 
Very rare. 
15. Stercorarius parasiticus (Zemm). (87.) Parasrric Jazamr. 
16. Stercorarius logicaudus (38.) Lone-rarep Jancer. 
Probably occurs here. 
Famity LARIDA. GuLLS & FERNS. 
Subfamily LariIn&. Gulls. 
Genus GAVIA. 
17. Gavia alba (Gun). (89.) Ivory Gut. 
Rare. 
Genus Rissa Leach. 
18. Rissa tridactyla (Linn.). (40.) Kirriwake. 
Common in winter. 
Genus Larus Linnaeus. 
19. Larus glaucus (Brnnn). (42). Gtaucous GuLt; “ Ber- 
GOMASTER.” 
Not common. Winter. 
90. Larus leucopterus (Faber). Icetayp Guitt; “ WHITE 
WINGED GULL.”’ 
Rare. Winter. 
21. Larus marinus (Linn) ~ (47). Great Brack - BSCKED 
GULL; *‘SADDLE-BACK.”’ 
Very common. Seems to be two varieties, alargerand a 
