250 AMERICAN JOURNAL 



REPORT OF PUBLICATION COMMITTEE. 



Philadelphia, Dee. 1th, 1871. 



The Publication Committee of the Conchological Section 

 reports its transactions for the current year as follows : 



Parts 3 and 4, Vol. Sixth American Journal of Conchology, 

 containing together 164 pages, with seven plain and six colored 

 plates, were issued April 4th and June 1st respectively. 



Of the Seventh Volume, two parts have been published, the 

 dates of issue being August 1st and Nov. 2d. These two parts 

 contain 164 pages, illustrated by seven colored and five plain 

 plates. The aggregate number of pages of the Journal issued 

 for the year is 328. 



Vol. 7, Part 3, is now in the printer's hands, and Part 4, 

 completing the volume, is intended to contain the papers and 

 reports presented this evening. 



The re-issue of Haldeman's Monograph of Fresh-water Uni- 

 valve Mollusca of the United States, and the Continuation by 

 Geo. W. Tryon, Jr., were completed and distributed to the sub- 

 scribers during the year. This includes the publication of 156 

 pages of Mr. Tryon's work, with eleven colored plates. 



Geo. W. Tryon, Jr., "} 



S. R. Roberts, > Committee. 



Edw. J. Nolan, J 



