52 REPORT OF YEW JERSEY STATE MUSEUM. 
Gull-billed Teen; Marsli Tern—( Oelochelidon nilotica). 
A southern black-capped, black-billed, black-footed tern, with ttie upper parts, 
including the wings, a light pearl-gray, and the lower parts white ; tail forked 
one and one-half inches, nearly white. In winter this, like most terns, loses its 
black cap. The crown is white, space in front of eyes blackish and back of 
them grayish. 
Breeds all along the coast and winters in south. Rare along New Jersey- 
coast. 
Caspian Teen —( Sterna caspia ). 
A very large red-billed tern, with the back of the neck, tail and under parts 
white, back and wings pearl-gray, and the primaries slaty-black, with silvery 
outer webs. This is a tern of world-wide distribution, but is not common in 
North America. 
Breeds in isolated localities. Rare along the New Jersey coast. 
Royal Teen —( Sterna maxima ). 
A very large, somewhat crested tern, with the back and wings pearl-gray, 
the outer web and tips of primaries blackish and the rest of the plumage white. 
In the breeding season there is a black cap, but during the rest of the year the 
head is streaked black and white. This is a strong and powerful tern of the 
southern coasts and is nearly as large as any gull. 
Breeds on coast and inland waters of United States. Winters along tropical 
coast. Rare on New Jersey coast in summer. 
Cabot’s Teen; Sandwich Tern—( Sterna sandvicensis acufla- 
vida. 
A southern, crested, pearl-gray-bac-ked, white-bellied tern, with a large, yellow- 
tipped black bill and black feet. 
Breeds along the south Atlantic coast. Winters in South America. Rare 
straggler on New Jersey coast in summer. 
Trudeau’s Teen— ( Sterna trudeaui). 
Of southern South America, has been seen a few times in the eastern United 
States. It is a pale, pearl-gray tern, with the head and under surface of wings 
white and tail and rump lighter than body. 
Breeds on Atlantic coast of South America. Audubon found one specimen at 
Great Egg Harbor, New Jersey. It winters along the Atlantic coast of South 
America. 
Foestee’s Teen —( Sterna forsteri). 
A medium-sized tern, with wings and back pearl-gray, rump and all under 
parts white, and bill blackish at tip and dull orange at base. The tail is light 
colored, and the inner webs of the tail feathers are always darker than the 
outer ones. 
Breeds in North America, mostly on inland waters. Winters on coast of 
Brazil. A regular but rare visitant on New Jersey coast. 
