TREASURER S REPORT 



Publication of Bulletin : 



Printing $3,680.57 



Engraving 185 . 48 



Editor's allowance 250.00 



— 4,116.05 



Purchase of one Louisville & Nashville Rail- 

 road Company 10-year 7 per cent note ; one 

 New York Central Railroad Company 10- 

 year 7 per cent Collateral Trust bond ; one 

 Bell Telephone Company of Pennsylvania 

 25-j'ear First and Refunding 7 per cent 



bond 3,113.44 



$9,776.30 



Balance in Baltimore Trust Company, December 1, 1920. 1,774.41 



11 



EespectfuUy submitted, 



$11,550 . 71 



Edward B. Mathews, 



Treaswer. 



Editor's Report 



To the Council of the Geological Society of America: 



The following tables cover statistical data for the thirty-one volumes 

 thus far issued : 



ANALYSIS OF COSTS OF PUBLICATION 



Cost. 



Average— 

 Vols. 1-25. 



Vol. 26. 



Vol. 27. 



Vol. 28. 



Vol. 29. 



Vol. 30. 



Vol. 31 





pp. 759. 

 pis. 42. 



pp. 525. 

 pis. 27. 



pp. 757. 

 pis. 30. 



pp. 1027. 

 pis. 48. 



pp. 698 

 pis. 22 



pp. 657 

 pis. 15 



pp. 468 

 pis 14 





11,807.41 

 327.04 



Sl,076.22 

 171.69 

 231.00 



11,684.67 

 378.30 

 416.00 



S2.128.15 

 484.37 

 698.00 



fl,483.37 

 321.07 

 416.00 



S2,477.16 

 917.56 

 379.61 



81.541.45 





131.94 





266 64 











S2,134.45 



Sl,478.91 



f2.478.97 



S3,310.52 



S2.220.44 



S3,773.33 



SI, 940. 03 







Average per page 



S2.83 



52.81 



13.27 



S3.23 



S3.18 



S5.75 



S4.15 



