. The birds of Illinois and Wisconsin . Common Tern. The present species is not uncommon at times on Lake Michiganduring the migrations, and a few remain to breed in Wisconsin. The Jan., 1909. Birds of Illinois and Wisconsin — Cory. 303 eggs are 3 or 4, pale gray or buff white (sometimes faintly greenish),marked and blotched with chocolate brown similar to forsteri, butat times showing a more greenish tinge than those of that measure X inches. Very abundant migrant. * * •=A few still breed on small islands at the northern end of the Lake.(Nelson.) More common on Lake Mic

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. The birds of Illinois and Wisconsin . Common Tern. The present species is not uncommon at times on Lake Michiganduring the migrations, and a few remain to breed in Wisconsin. The Jan., 1909. Birds of Illinois and Wisconsin — Cory. 303 eggs are 3 or 4, pale gray or buff white (sometimes faintly greenish),marked and blotched with chocolate brown similar to forsteri, butat times showing a more greenish tinge than those of that measure X inches. Very abundant migrant. * * •=A few still breed on small islands at the northern end of the Lake.(Nelson.) More common on Lake Michigan than forsteri and moreabundant here than in the interior of the state, preferring the gravellyor sandy islands of the Lake and Green Bay for nesting places ratherthan the smaller inland lakes. (Kumlien and Hollister, Birds ofWisconsin, 1903, p. 13.) 27. Sterna paradisaea Tern. Distr.: Northern hemisphere, breeding in North America fromMassachusetts northward to the Arctic regions, south in winter tothe middle Atl

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