BIRDS OF LOWER CALIFORNIA. 253 



26. Oceanodroma melania (Bouap.) 



Black Peteel. — A single specimen taken by Mr. Xantus 

 from the Cape region. 



27. Phaethon sethereus Linu. 



Eed-billed Tropic Bird. — Has been recorded from Cape 

 Cohiett in September, 1888, by Mr. Anthony and also from 

 fifty miles north of Cerros Island. They were occasionally 

 seen by myself at Magdalena Bay in January, 1888. Mr. 

 Xantns does not give this species in his list. Mr. Bclding 

 obtained one at Espiritu Santo Island, February 1, 1882. 

 They breed on certain islands in tiie Gulf of California, San 

 Pedro Martir (Goss) and Santa Isabel (?). 



28. Sula gossii Ridgw. 



Blur-footed Booby. — Breeds on certain islands in Gulf 

 of California; San Pedro Martir (Goss). 



29. Sula sula (Linu.) 



Booby. — An immature bird was shot near Pichalinque 

 Bay in January, 1883, by Dr. H. Ten Kate, and is given in 

 Mr. Belding's second catalogue as Sula leucogasira (Bodd.) 



30. Sula brewsteri Goss. 



Brewster's Booby. ~ Same remarks as under S. gossii. 



31. Phalacrocorax dilophus albociliatus Ridgw. 



Farallon Cormorant. — Presumed to be the cormorant 

 mentioned by Prof. Baird as " Graculus dilophus ? Gray. — 

 Immature," in his notes on the collection made by Mr. Xan- 

 tus at Cape St. Lucas. And reported later from Cape 

 region by Mr. Belding as P. dilophus cincimiatus (Brandt). 

 At Cerros Island he says: "A colony of about one hundred 

 of these cormorants were breeding on almost inaccessible 

 cliffs which rose perpendicularly from the water. Seven 

 nests, examined from above, contained either three or four 

 eggs each. Thousands of these species were observed at 

 Elida and St. Martin's Islands, and San Quintin Bay." The 

 numbers of these birds which congregate at Magdalena 



