NORTH AMERICAN BIRDS EGGS. 

 26. Craveri Murrelet. Brachyramphus craveri. 



17 



I van ere. Both coasts of Lower California, breeding chiefly on the Gulf side. 

 rraveri Murrelet is very similar to the last except that the under surfaces of the 

 wings are dusky. Breeds on the islands near Cape St. Lucas, burrowing in the 

 ground as do most of the others of this species. They lay a single egg, the 

 ground color of which is buff ; they are quite heavily blotched with brownish. 

 Si/eLMX) x 1.40. 



27. Black 

 grylte. 



Guillemot. Ccpphuft 



Range. Coasts and islands of 

 the North Atlantic, breeding from 

 Maine northward to southern 

 Greenland. Guillemots are larger 

 birds than the Murrelets (length 



^ 13 inches) and their plumage is 



entirely different. This species in 

 summer is entirely black except the 

 ^ wing coverts which are white. The 



bases of the greater coverts, how- 

 ever, are black, this generally break- 



[Bluish white.] ing the white mirror as it is 



The under surfaces of the wings are white. Legs red. These birds 

 breed abundantly on the rocky islands and high cliffs along the coast. Soon 

 after the first of June the eggs are laid in the crevices of the rocks and sometimes 

 upon the bare ledges. Two or threeeggs make the set. The ground color is a 

 pale bluish or greenish white and the markings are various shades of brown and 

 black. Size 2.40 x 1.60. Data. Grand Manan, Junel5, 1896. Two eggs laid in a 

 cavity hack of large boulder, ^o nest. Collector, D. H. Eaton. 



28. Mandt Guillemot. C<i>f>hn* 



Rang*'. North Atlantic coast, more northerly than the preceding, breeding 

 from Labrador to northern Greenland. 



The bird differs from the Black 

 Guillemot only in having the 

 hase.x of the coverts white also. 

 The nesting habits and eggs are 

 identical. They nest in colonies 

 of thousands and place the eggs 

 upon the hare rock with no 

 attempt at ne>t building. Gen- 

 erally the CULTS are in the crevices 

 BO a- to br difficult to get at. 

 Si/.e U.80 x 1.5,1. Data. Depot 

 [aland, Hudson Bay, June (>, ism. 

 Two eggs laid on hare rocky 

 ground. Collector John Comer. 



( .rayish \\hitr. 



