_Sterna sinensis_ Gmelin, Syst. Nat., 1, pt. 2, 1789, p. 608. (Type
locality, China, ex Latham.)
_Sterna albifrons_ Marshall, Condor, 51, 1949, p. 221 (Saipan).
_Geographic range._--Found on coastal areas from Korea and China
south to New Guinea. In Micronesia: Mariana Islands--Saipan.
_Specimens examined._--One female from Mariana Islands,
USNM--Saipan (Sept. 26).
_Remarks._--Marshall (1949:221) took one of two Least Terns at Lake
Susupe on Saipan on September 26, 1945. The specimen taken, a female, is
in post juvenal molt.
=Thalasseus bergii pelecanoides= (King)