Mimus polyglottus, the northern mocking-bird, inhabits the southern part of the United States, being in the north only a summer visitant; it breeds rarely in New England, is seldom found north of the 38th parallel, and migrates to the south in winter, passing that season in the Gulf States and Mexico.
The polar bear is an occasional visitant, being brought to the coast by the Greenland drift-ice.
If only you knew what the nightly visitant is!
Yellow fever, whose first recorded appearance was in December 1849, was for many years almost a regular yearly visitant, and the mortality from it has been terrible.
If only you knew what the nightly visitant is !