XXVI. 



Gelasimus ? and Sesarma reticulata ; from Dennis Creek, N. J. Presented 



by Mr. Thos. Beesley. 



Stalactites, from the Cave of St. Lorenzo, Bay of Samana, Republic of Do- 

 minica. From Capt. McClellan, U. S. A. 



Two specimens of Smoky Quartz, from Philadelphia County. From Mr. 

 Kilvington. 



June 5th 



A suite of twelve specimens of Calcareous Spar ; fine specimen of Zinc Blende 

 with Quartz; all from the Wheatley Mine, near Phcenixville, Pa., and presented 

 by Mr. Charles M. Wheatley. 



A large collection of TJnios, from Ohio. Presented by Dr. Watson. 



Very large and fine specimen of Silicified Wood, from Long Branch, N. J. 

 Presented by Dr. William Camac. 



Portraits of Dr. Gerard Troost and of Mr. William Maclure, from the Peale 

 Collection. Presented by Wm. S. Vaux, Esq. 



Portrait of Mr. C. A. Lesueur, from the same collection. Presented by Mr. 

 George Ord. 



A collection of Birds; Condylura cristata ; Macacus nemestrinus, (mounted.) 

 From Mr. John Krider. 



June \1tlu 



Collection of remains of the Megatherium from Skiddaway, Georgia, consist- 

 ing of the distal extremity of a humerus, six fragments of ribs, four fragments 

 of vertebrae, and a fragment of the lower jaw. Presented by Dr. Robert W. 

 Gibbes, of Columbia, S. C. 



Tooth of fossil Elephas, found near Wilmington, N. C. Presented by the 

 same. 



Large mass of Mineral Charcoal, found in a vein of Grey Ash Anthracite. 

 Presented by E. Bender, of Minersville, Pa. 



Fossil Tooth of Horse, from Galway Co., Ireland. Presented by W. D. 

 Hartman, M. D., of West Chester, Pa. 



Specimen of Crystalline Heating Furnace Cinder, from Fairmount Rolling 

 Mill. Presented by C. E. Smith, Esq. 



Living Coluber eximius ; Heterodon platyrhynos. Presented by Mr. S. Ash- 

 rnead. 



Two specimens Emys guttata. From Dr. Wilson. 



Living Triton tigrinus, from Beesley's Point, N.J. From Chas. C. Ashmead. 



Asterias , from California. Presented by Mr. S. Ashmead. 



June \th. 



A fine suite of Minerals, from the Wheatley Mine near Phcenixville, Pa., as 

 follows: Eleven specimens Phosphate of Lead; nine do. Carbonate of Lead ; 

 four do. Sulphate of Lead ; two do. Chromo-molybdate of Lead ; one do. Yellow 

 Molybdate of Lead; two do. Carbonate of Lead with Carbonate of Copper. 

 Presented by Chas. M. Wheatley, Esq. 



One species Fistularia; four do. Aspergillum ; one do. Clavaselfa ; one do. 

 Teredo ; one do. Xylophaga ; ten do. Pholas. Presented by T. B. Wilson, M.D. 



Two Fossil Shells; eleven specimens Crystals of Sulphate of Lime; from Isle 

 of Mayo; three specimens of Queen of the Termes beilicosus, from Monrovia, 

 Liberia ; one specimen Goliathus giganteus, from Elmina, Africa. Presented 

 by Dr. J. L. Burtt, U. S. N. 



Sertularia, from New Jersey Coast. From S. Ashmead, Esq. 



Collection of Ferns, from Goree, W.Africa. Presented by Dr. J. L. Burtt, 

 U. S. N. 



Specimen of Tuckahoe, (Lycoperdon solidum,) from New Jersey. From Dr. 

 Ilallowell. 



