XIV 
United States of America. — (continued) : 
Bulletin of the United States Geological and Geographical 
Survey of the Territories. First series, Nos. 1 and 2 ; 
Second series, No. 2 , 4 , 5 , and 6 ; Yol. ii., Nos. 1 , 2 , 3 , 
and 4 ; Yol. iii., Nos. 1 , 2 , 3 , and 4 . 8vo. 
Washington, 1874 — 77 
Bulletin of the United States Entomological Commission, 
Nos. 1 and 2 . 8vo. . Washington, 1877 
Sketch of the origin and progress of the United States 
Geological and Geographical Survey of the Territories. 
E. V. Hayden, U. S., Geologist-in-cliarge. 8vo. 
Washington, 1877 
Catalogue of the publications of the U. S. Geological and 
Geographical Survey of the Territories. F. Y. Hayden, 
Geologist-in-charge. Second edition (revised to Dec. 
31 st, 1870 ). Svo. . . Washington, 1877 
From Dr. F. V. Hayden, United States Geologist-in-charge. 
Watford. 
Transactions of the Watford Natural History Society and 
Hertfordshire Field Club. Vol. i., parts 6 — 8. 8vo. 
Watford, 1877 
From the Watford Natural History Society. 
