108 EEPORT OF THE EXECUTIVE COMMITTEE. 



Exclianges. 



Literary and scientific international exclianges C, 748 80 



Museum. 



Expenditures in addition to the Government ap- 

 propriation 1, 908 45 



Advanced for construction of laboratory of natural 



history ! 2, Gl 4 00 



4,522 45 



Total expenditure from the Smithsonian income in 1875 . . 40, 809 98 



The Institution, as in former years, has made temporary advances for 

 the payment of freight on Government collections, &c., the repayments 

 of which, together with the amount received from sales of the publica- 

 tions of the Institution, have been deducted from the several items of 

 the foregoing expenditure, as follows: 



Repayments. 



From exchanges, repayments for freight, &c 81, 007 01 



From postage, repayments 31 23 



From researches, repayments 98 37 



From Smithsonian Contributions, sales 181 09 



From miscellaneous collections, sales 048 43 



From reports, sales 7 50 



From incidentals, sales of old material 16 12 



From cost of books, repayment 7 75 



From museum, repayment of advances 2, G7G 05 



4, 703 55 



Estimates. 



The following are the estimates of receipts and appropriations of the 

 Smithson fund for the j-ear 1870: 



Estimated receipts. 



Interest on the permanent fund, receivable 30th 



June, 1870, in gold $19, 500 



Interest on the permanent fund, receivable 31st 



December, 1876, in gold 19,500 



Interest on the Hamilton fund 60 



Probable premium on gold, 10 per cent 3, 906 



Interest on Virginia bonds 2, 500 



$45, 466 



