308 LAWS APPLICABLE TO DEPARTMENT OF AGKICULTURE. 



neceH8:iiy and practicable aid to the said regents in the acquisition of 

 collections for the Zoological Park. 



Act A 1)1-1 1 30. 1890. c. 173. s. 3, 26 Stat. 7S. 



ACT MARCH 3, 1901, c. 831. (31 Stat. 1010.) 



Facilities for study and research in the Government departments, to investi- 

 gators, students, etc. 



* * * That facilities for study and research in the Government 

 Departments, the Library of Congress, the National Museum, the 

 Zoological Park, the Bureau of Ethnolog5\ the Fi.sh Commission, the 

 Botanic Gardens, and .similar institutions hereafter established shall 

 be afforded to scientific investigators and to duly qualified indi- 

 viduals, .students, and graduates of institutions of learning in the 

 several States and Territories, as well as in the District of Columbia, 

 under such rules and restrictions as the heads of the Departments and 

 Bureaus mentioned may prescribe. 



Act Miircli 3. 1901, c. 831. 31 Stat. 1039. 



ACT JULY 2, 1909. c. 2. (36 Stat. 1.) 



Information from departments pertinent to census work. 



Sec. IJO. That the Secretary of Commerce and Ijabor. whenever he 

 may deem it advisable, or on request of the Director of the Census, is 

 hereby authorized to call upon any other department or office of the 

 Government for information pertinent to the work herein provided for. 



Act July 2. 1909, c. 2, s. 30, 30 SUit. 10. 



The work referred to In this provision :is ••herein providod for ' is the 

 hiking of llu- Tliirteenili Census. 



ESTIMATES AND REPORTS. 

 BEV. ST. SEC. 3660. 

 Manner of communicating estimates. 



Sec. ^M'A'iO. The heads of Dejiartments. in comnuinicating estimates 

 of expenditures and appropriations to Congress, or to any of the 

 connuittees thereof, shall specify, as nearly as may be convenient, the 

 sources from which sticli estimates are derived, and the calculations 

 upon which they are founded, and shall discriminate between such 

 estimates as are conjectural in their character and such as are framed 

 upon actual information and applications from disbui*sing officers. 

 TIk'V shall i\]<n give references to any law or treaty by which the 

 proposed e.vpendilures are. respectively, authorized, specifsnng the 

 date of each, and the volume and page of the Statutes at Large, or 

 of the Kevised Statutes, as the case may be, and the section of the 

 act in which (he authority is to W found. 



REV. ST. SEC. 3669. 



Estimates to be submitted to Congress. 



Skc. :'(■)(')!». All annual estimates for the public service shall be sub- 

 mitted to Congress through the Secretary of the Treasury, and shall 

 be included in the book of estimates prepared under his direction. 



«LCT MARCH 3, 1875, c. 129. (18 Stat. 343.) 



Time for furnishing estimates to Secretary of Treasury: extracts from annual 

 reports to be included in estimates. 



Sec. 3. That it shall be the duty of the heads of the several Execu- 

 tive Depart nu'uts. and of other officers authorized or required to make 



