8 BUREAU OF BIOLOGICAL SURVEY [S.R.A. 
migratory birds and parts thereof legally taken, or he may be limited to one 
or more of these privileges. A taxidermist granted a permit under this regu- 
lation shall keep books and records, correctly setting forth the name and 
address of each person delivering each specimen of a migratory bird to him, 
together with the name of each species, the date of delivery, the disposition of 
such specimen, and the date thereof, which said books and records shall be 
available for inspection at all reasonable hours on request by any duly author- 
ized representative of the Department of Agriculture. 
Each permit shall be valid until revoked by the Secretary unless otherwise 
specified therein, shall not be transferable, and shall be revocable at the dis- 
cretion of the Secretary. A permit duly revoked by the Secretary shall be 
surrendered to him by the person to whom it was issued, on demand of any 
employee of the United States Department of Agriculture duly authorized 
to enforce the provisions of the Migratory Bird Treaty Act. A person holding 
a permit wider this regulation shall report annually to the Secretary on or 
before the 10th day of January during the life of the permit the number of 
skins, nests, or eggs of each species collected, bought, sold, received, possessed, 
mounted, exchanged, or transported during the preceding calendar year. 
Every package in which migratory birds or their nests or eggs are trans- 
ported shall have clearly and conspicuously marked on the outside thereof the 
name and address of the sender, the number of the permit in every case 
When a permit is required, the name and address of the consignee, a state- 
ment that it contains specimens of birds, their nests, or eggs for scientific 
purposes, and. whenever such a package is transported or offered for transpor- 
tation from the Dominion of Canada into the United States or from the United 
States into the Dominion of Canada, an accurate statement of the contents. 
I As amended October 25, 1918; March 3. 1921; June 11, 1923; April 23, 1929; 
March 17, 1931: July 20, 1932; and September 11, 1933.] 
Regulation 10. — Permits to Kill Migratory Birds Injurious to Property 
When information is furnished the Secretary that any species of migratory 
bird has become, under extraordinary conditions, seriously injurious to agricul- 
ture or other interests in any particular community, an investigation will be 
made to determine the nature and extent of the injury, whether the birds 
alleged to be doing the damage should lie killed, and, if so, during what times 
and by what means. Upon his determination an appropriate order will be made. 
Regulation 11. — State Laws for the Protection of Migratory Birds 
Nothing in these regulations shall be construed to permit the taking, posses- 
sion, sale, purchase, or transportation of migratory birds, their nests, and eggs 
contrary to the laws and regulations of any State, or Territory, or District 
made for the purpose of giving further protection to migratory birds, their 
nests, and eggs when such laws and regulations are not inconsistent with the 
convention between the United States and Great Britain for the protection of 
migratory birds concluded August 10, 1916, or the Migratory Bird Treaty Act 
and do not extend the open seasons for such birds beyond the dates prescribed 
by these regulations. 
[Added by proclamation of October 25, 1918, as amended July 9, 1920.] 
