Hayden.] 320 [February. 



show the rich field of study the West opened up in the geographical 

 distribution of its Fauna and Flora. There are also natural reasons 

 why certain species of animals and plants are restricted to certain 

 geographical areas, and it is his purpose to commence the accumula- 

 tion of materials towards a memoir on the geographical distribution 

 of the Fauna and Flora west of the Mississippi. 



' He also exhibited a photograph of matting from New Ibe- 

 ria, Louisiana ; this matting was found in the deposits of salt 

 near that place, which he described. 



He then referred to the importance of the lignite beds of 

 the Upper Missouri, and the value of this article as a fuel 

 in a region where timber is rarely to be found. 



New nomination No. 568 was read. 



The list of surviving members was read, comprising the 

 number, on the 1st January, 1867, of 410, of whom 262 were 

 in the United States, and 148 in foreign countries. 



No. 76 of the Proceedings of the Society was laid on the 

 table. 



And the Society was adjourned. 



Stated Meeting, February 15, 1867. 



Present, sixteen members. 



Prof. Cresson, Vice-President, in the Chair. 



Prof. Stille and Dr. Packard, recently elected members, 

 were introduced and took their seats. 



Letters were read from J. S. Newberry, dated February 6, 

 1867 ; from George P. Dunning, February 8, 1867 ; Andrew 

 Mason, dated February 8, 1867; and H. S. Osborn, Febru- 

 ary 12, 1867, severally acknowledging the receipt of the 

 notice of their election as members and of their acceptance. 

 And from the Physical and Natural History Society at Ge- 

 neva, October 15; from the Geological Society of Glasgow, 

 November 19 ; from the Bavarian Academy of Sciences, De- 

 cember 1, announcing donations to the Library. Also, from 



