. North American birds eggs . islands and high cliffs along the coast. Soonafter the first of June the eggs are laid in the crevices of the rocks and sometimesupon the bare ledges. Two or three eggs make the set. The ground color is apale bluish or greenish white and the markings are various shades of brown andblack. Size X Data.—Grand Manan, June 15,1896. Two eggs laid in aoavity back of large boulder. No nest. Collector, D. H. Eaton. 28. Mandt Guillemot. Cepphus mmxltii. Range.—North Atlantic coast, more northerly than the preceding, breedingfrom Labrador to northern Greenland. Th

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. North American birds eggs . islands and high cliffs along the coast. Soonafter the first of June the eggs are laid in the crevices of the rocks and sometimesupon the bare ledges. Two or three eggs make the set. The ground color is apale bluish or greenish white and the markings are various shades of brown andblack. Size X Data.—Grand Manan, June 15,1896. Two eggs laid in aoavity back of large boulder. No nest. Collector, D. H. Eaton. 28. Mandt Guillemot. Cepphus mmxltii. Range.—North Atlantic coast, more northerly than the preceding, breedingfrom Labrador to northern Greenland. The bird differs from the BlackGuillemot only in having thebases of the coverts white nesting habits and eggs areidentical. They nest in coloniesof thousands and place the eggsupon the bare rock with noattempt at nest building. Gen-erally the eggs are in the crevicesso as to be difficult to get x Data.—DepotIsland,Hudson Bay,June 6, eggs laid on bare rockyground. Collector John Comer. 3. [(irayish V- w 18 North American Birds Eggs.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1904