REPORT OE HEW JERSEY STATE MUSEUM. 51 
Of tlie rare gulls are the Ivittiwake, black-billed gull and Arctic 
tern. The stragglers from the south are Caspian, gull-billed, royal, 
Trudeau’s, Cabot’s, roseate and sooty tern. 
Ivittiwake— (Rissa tridactyl a). 
A three-toed, white gull, with pearl-gray mantle, black tips to the outer 
primaries, yellowish bill and black feet. In winter the top "of the head and 
the back of the neck are tinged with pearl-gray, but there is a darker spot 
around the eye. The name is derived from the bird’s cry, kitti-aa, kitti-aa. 
Breeds in Arctic regions, and winters south to New Jersey. Quite rare. 
Great Black-backed Gull —(Larus marinus). 
A very large, very shy, black mantled, white gull, with white tips to all 
the wing quills. The head and neck are streaked with grayish iu winter. 
Breeds on coast of North Atlantic. Winters southward to New Jersey coast. 
American Herring Gull —(Larus argentatus). 
A very common, large gull, with dark pearl-gray mantle, and the head, 
tail and lower parts white. The adult, in winter, has grayish streaks on head 
and neck. It is found on rivers and in harbors. It shows but little fear of 
man. 
Breeds on Atlantic c-oast (to New England coast). Winters south to West 
Indies. 
Ring-billed Gull —(Larus delaivarensis). 
A large, white-headed gull, with pearl-gray mantle, white belly, white tail. 
Breeds far north. Winters south to Mexico. 
Laughing Gull —(Larus atricilla). 
A rather large, black-headed gull, with dark pearl-gray mantle, the lower 
neck, breast, belly and tail white, and the primaries, except the small tips of 
the inner ones, black. In winter, the head and throat are white, with more 
or less of grayish tints. 
Breeds on Atlantic coast and in New England. Winters in far south. Was 
formerly abundant on Brigantine beach. 
Bonaparte’s Gull —(Larus Philadelphia). 
A small, black-billed almost black-headed, white-tailed, white-bellied gull, 
with the wings and back pearl-gray and the first three primaries tipped with 
black,, the next three with small, white tips and three large black spaces. In 
winter the head and throat are white. 
Breeds far north. Winters, coast of southern States. Sometimes found at 
Atlantic City. 
