Additions to the Museu3L 25 



II. By Exchange. 

 From- Ben J. W. Smith, Lexington, Ky. 



Nineteen specimens of Fossils, principally from Fayette Co., Ky., 

 labeled, as follows, by Mr. Smith : 



Atryjpa modesta Hall. Orthis lynx (Eicliw.) 



Favosites fibrosaf Cobb. Orthis testitdinaria Dal man. 



Chcetetes ? Hall. Favistella stellata Hall.. 



Chcetetes lycoperdon ? Hall. Leptcena alternata Coiir. 



Cydonenia hilix ? Conr. Modiolopsis modiolaris f Conr. 



Murchisonia hicincta Hall. R/iynchonella altilis Hall. 



Murchisonia hellicincta Hall. Tentaculites flexuosa Hall. 



Pleurotomaria rotidoides Hall. Also, Carbonate of Lime, from the 

 Amlonychia atnygdcdina Hall. Mammoth Cave, Ky., and 



Amhonychia radiata Hall. Sulphate of Strontian, from Nash- 

 Orthis ocGidental'is ELall. ville, Tenn. 



Orthis sid)jugata Hall. 



III. By Collection. 



By the Dikectoe. 



An extensive suite of Rock specimens from Marquette Co., Mich., 

 illustrative of the Hukonian System, of which the following are 

 placed in the table-cases of the Geological Series : 



Diorite, Suphuret of Iron, 



Diorite w^ith Slate, Chloritic Slate, 



Quartzite, Feldspar with chloritic Slate, 



Feldspathic Rock, Slaty Hornblende Rock, 



Slaty Quartzite, Silicious Limestone, 



Brown Slate, Chloritic Slate with veins of Spar, 



Micaceous Iron Ore, Specular Iron Ore. 



The following are deposited in the wall-cases of the same series : 



Specular Iron Ore. N. Y. Mine, Neguanee, Mich. ; eight spec. 



Silver Lead Ore. Marquette. 



Talcose Slate. Washington Mine, Marquette. 



Sandstone. Below Marquette. 



Slaty Quartzite. Light House Point. 



Feldspathic Rock. Dead River, Mich. ; three spec. 



Silicious Limestone. Below Marquette. 



