Additions lo the Museum. 21 



From Prof. W. C. Clevela^nd, Ithaca, X. Y. 

 Orthis im_i)ressa Hall, from beds at Ithaca, 350 feet above tlie town, 



on East Hill. 

 Specimens of Orthis, Atrypa and Lingula, from the Chemung Group 



at Ithaca. 



From Hon. A. S. Johnson, Utica, K. Y. 



Two specimens of Utica Slate, containing Trilobites, and one specimen 

 showing the outer chamber of an Ortlioceras. 



From Geoege Roe, Minersville, Essex county, N. Y. 

 Magnetic oxyde of Iron in octahedral crystals, imbedded in Feldspar. 



From Henry A. Eiley, of Montrose, Penn. 

 Twenty-six specimens of fossil plants from Montrose, Pa., and vicin- 

 ity ; twenty-eight specimens of fossils, etc., from Mt. Lebanon and 

 vicinity ; five specimens from the cretaceous rocks of Delaware. 



From Fkank Graves, Camillus, N. Y. 

 A block of Selenite (Gypsum) from Camillus, Onondaga county, N. Y. 



II. By Exchange. 



From Prof D. S. Martin, Rutger's Female College, N. Y. 

 Fossil bones and other phosphates from South Carolina, consisting of 



teeth of Carcharodon and Oxyrtrina ; bones of Manatee, etc. 

 Specimen of Serpentine containing Eozoon Canadense : Thurman, 



N. Y. 



III. By Collection. 



Of the Director. 



Glacial Scratches from beds of Trenton Limestone, at Tribe's Hill, 

 JSTew York. 



Of the Assistants. 

 Extensive collections of fossils and a number of rock specimens 



from the Chemung and Catskill groups: By Andrew Sherwood. 

 Large collections of fossils (twenty boxes), consisting principally of 



lamellibranchiate shells, from the Hamilton group on the shores 



of Cayuga lake : By Herbert H. Smith. 

 Large collections of Lamellibranchiata from the Hamilton group in 



Madison and Onondaga counties : By George B. Simpson. 



