CONTENTS OF VOLUME XX. 



NUMBER I. 



Page. 



The a. O. U. Check-List — Its History and Its Future. By 



/. A. Alle?! I 



Birds of Porto Rico. By B. S. Bozvdisk. (Concluded.) . . lo 

 Migration of Richardson's Grouse. By A. W. Anfkotiy. . 24 

 An Ornithological Visit to Los Coronados Isl.vnds, Lower 



California. By /. Grinnell and F. S. Daggett. . . 27 

 The Vernacular Names of Birds. By Edxvin W. Do ran, Ph.D. 38 



Arizona Bird Notes. By Herbert Brozvn 43 



Notes Concerning Certain Birds of Long Island, N. Y. By 



William C. Braislin, M. D. ....... 50 



The Diary of a Cardinal's Nest. Bv Gertrude Fay Harvey. 



(Plate I.) ^ ....'. 54 



An Epidemic of Roup in the Canandaigua Crow Roost. By 



Elon Ho-vard Eaton. (Plate II) 57 



Twentieth Congress of the American Ornithologists' 



Union. By Jo/in H. Sage. 59 



GENERAL NOTES. 



Breeding Grounds of the Black and Socorro Petrels. — A Correction, 

 63 ; a Hybrid Duck, 64 ; The Wood Ibis again in Colorado, 65 ; 

 The Stilt Sandpiper in Knox County, Maine, 65 ; Massachusetts 

 Breeding Dates for Bartramia longicauda,6K, ; Recent Records of 

 the Wild Pigeon, 66; Turkey Vulture at Moose Factory, James 

 Bay, 66; Black Vulture at Taunton, Mass., 67; Golden Eagle in 

 Middle Southern Ohio, 67 ; Richardson's Merlin [Falco columba- 

 rius richardsonii) on the Coast of South Carolina, 67 ; The Barn 

 Owl on Long Island, 67 ; Barn Owl in Northern Ohio, 67 ; Yel- 

 low-billed Cuckoo's Egg in a Robin's Nest, 68; Breeding of the 

 Alder Flycatcher (Empidonax trailli alnorum) near Plain field, 

 N. J., 68; Western Evening Grosbeak Nesting in Me.xico, 68; 

 Another Record of Thryothoriis Ittdoviciantis in Massachusetts, 

 69; The Blue-gray Gnat-catcher in Massachusetts, 69; Ohio 

 Notes, 70; Birds Killed by Hailstones, 70 ; Vernacular Names of 

 Birds, 70. 



RECENT LITERATURE. 



Ridgway's ' Birds of North and Middle America,' Part II, 73 ; Mrs. 

 Bailey's 'Handbook of Birds of the Western United States,' 76; 

 Brewster's ' Birds of the Cape Region of Lower California,' 78 ; 

 Henshaw's 'Birds of the Hawaiian Islands,' So; Snodgrass and 

 Heller on the Birds of CHpperton and Cocos Islands, Si ; Knight's 

 ' The Birds of Wyoming,' 82 ; Henninger's List of the Birds of 

 Middle Southern Ohio, S3; Blatchley's" ' A Nature Wooing,' 83; 

 Keyser's ' Birds of the Rockies,' 84 ; Burroughs's ' John James 

 Audubon,' 85; Strong on the Development of Color in Feathers, 

 86; Publications Received, 89. 



