344 
Agriculture, Ornithology and Mammalogy Division of North 
American Fauna. 
1895. Bulletin 6. The Common Crow of the United States. 
3» 4 Prairie Ground Squirrels. 
No. 8. Monographic Revision of the Pocket Gophers. 
Geological Survey, United States, Department of the Interior. 
J. W. Powell, Director. 
Mineral Resources of the United States. By David T. Day. 
4 Vols., 1889-90, 1891, 1892, 1893. 
Geological Survey, United States, Department of the Interior. 
J. W. Powell, Director. 24 Vols. 
Bulletins 82-84, 85, 86, 87-89, 90-96, 97-99, 100, 101-103, 104-6, 
107-110, I1I-117, 118-121, 122. 
Geological Survey, United States, Department of the Interior. 
Charles D. Walcott, Director, 
123-126, 127, 128-134, 135-138, 139-141, 142-147, 148-150, 
151-153, 154-158, 159-160. 
And Bulletins 161, 162. 
Geological Survey, United States, Department of the Interior. 
J. W. Powell, Director. 21 Vols. 
Annual Reports. 
2nd Report, 1880; 3rd, 1881-2; 4th, 1882-3; 5th, 1883-4; 6th, 
1884-5 ; 7th, 1885-6; 8th, Vols. I, II, 1886-7; 9th, 1887-8 ; 
1oth, 1888-9; 11th, Vols. I, II, 1889-90; 12th, Vols. I, II, 
1890-1; 13th, Vols. I, II, III, 1891-2; 14th, Vols. I, II, 
1892-3 ; 15th, 1893-4. 
Geological Survey, United States, Department of the Interior. 
(Continued. ) Charles D. Walcott, Director. 25 Vols. 
16th Report, Vols. I, II, III, IV, 1894-5. 
EVERY 95 »» 1, II, III, in 2 parts, 1895-6. 
Toth, ©, », 1, II, III, IV, V, in 2 parts, 1896-7. 
1oth “45 » 1, Il, III, IV, V, 5 Atlas, VI in 2 parts, 1897-8. 
20th * 45 » 1, Vl in2 parts, 1899. 
Geological Survey, United States, Department of the Interior. 
J. W. Powell, Director. 
Monographs. 
8 Vols. 1891-1894. 
Vol. XVII. Lesquereux. Flora of the Dacota Group. 
93) OS VILEL. Whitfield. Gasteropoda and Cephalopoda. New 
Jersey. 

