NORTB AMERICAN BIRDS. 



57 



collection a set of, one egg of this rare and little known species. The egg Is pure 

 white in color with, no marks of any kind, elliptical oval in shape and measures 

 1.44x1.08. It was taken by Mr. Anthony on San Benito Island, Lower California, 

 July 25th, 1896. The egg was deposited on bare ground at the end of a burrow about 

 three feet long. 



108. ASHY PETREL. 

 CSalifornia. 



Oceanodroma homochroa (Coues.) Geog. Dist. — Coast of 



■T535 — ijf^>-5»/; 









108. Nest and Egg of the Ashy Petrel oh the Farallonb Islands. (From The NtKMogiti^ 



Mr. A. M. IngersoU first found the egg of this species on South Farallon in June, 

 1885. He described the egg as dull creamy-white, with a circle of reddish spots 

 around the large end, so fine as to be almost indistinct. The large end is somewhat 

 flattened, like the large end of an acorn. It measures 1.18x.94.* This, Mr. Emerson 

 informs me, is the rarest of the birds that breed on the Farallons; nesting anywhere 

 in cavities under boulders, laying a single egg. Two eggs collected June 15, 1885, 

 and June 8th, 1886, measure respectively 30x23, 31x23.5 mm.f The following on the 

 Ashy Petrel is by Mr. C. Barlow in T)\,e Museum for December, 1894 rj "They nest 

 throughout the island preferably beneath stone piles on the .ground. They fly about 

 only at night. One egg is laid which is of a creamy white color both before and after 



» Ornithologist and Oologist, Vol. XI, p. 21. 

 tl.l8x.91, 1.22x,93 inched. 



t Mr. Barlow lias also contributed a lengthy article on the nesting of the Ashy Petrel 

 In The Nidologist for August, 1894. 



