XANTHUS MURRELET. 
25. Brachyramphus hypoleucus. 
This bird is a dull black above, and entirely white below, 
including the sides of the head below the eye. The under¬ 
surface of the wing is also white. 
Nest. —The single egg is laid at the end of burrows or under 
the rocks in dark places similar to the other Murrelets. It is 
a pale buffy white, and thickly but finely dotted with brown 
over the entire surface, heaviest on the larger end (2.05 x 
1.40). 
Range. —Resident along the coast of southern and Lower 
California, where it breeds on many of the islands. 
PIGEON GUILLEMOT. 
29. Cepphus columba. 13 inches. 
This bird is very similar to the Black Guillemot except that 
the under-surfaces of the wings are dark. The nearly straight 
and slender bill is black, feathered to the upper edge of nostrils. 
Feet and inside of mouth bright red. 
Nest. —Their two eggs are laid on the bare rocks in dark 
places under the rocks, are pale blue or green in color with 
black or brown markings and paler spots of lilac. 
Range. —Pacific coast of North America. 
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