VI. 



Further notes on Cereus giganteus of South-eastern California. By Dr. Geo. 

 Engelmann. From the Author. 



Vital Statistics of St. Louis for the year 1851. By Wm. McPheeters, M. D. 

 From Dr. Engelmann. 



5th, 6th, 7th, 8th and 9th Geological Reports of the State of Tennessee. By 

 Gerard Troost, M. D. 8vo. From Dr. J. Berrian Lindsley. 



Researches upon Nemerteans and Planarians. By Charles Girard. 4to. From 

 the Author. 



Aboriginal Monuments of the State of New York. By G. G. Squier. (From 

 the Smithsonian Contributions to Knowledge.) 4to. From the Institution. 



Types of Mankind. By J. C. Nott, M. D., and George R. Gliddon. Imperial 

 8vo. From the Authors. 



Virginia Medical and Surgical Journal for March, 1854. From the Editors. 



Comptes Rendus, tome 38, Nos. 3 8. From Dr. Wilson. 



London Athenaeum for February, 1854. From the same. 



Zeitschrift fur Malakozoologie. Von Menke und Pfeiffer. 1853, Nos. 8 12. 

 From the same. 



Odontographie. Vergleichende Darstellung des Zahnsystemes der lebenden 

 und fossilen Wirbelthiere. Von C. G. Giebel. 4 lief. From the same. 



April Utk. 



Portraits of Eminent Americans now living, with biographical and historical 

 memoirs of their lives and actions. By J. Livingston. 8vo. From G. W. Car- 

 penter, Esq. 



Annals of Science for April, 1854. From the Editors. 



Die Schwimmpolypen oder Siphonophoren von Messina beschreiben von Albert 

 Kolliker. Folio. From Dr. Wilson. 



Journal of the Franklin Institute for April, 1854. From the same. 



DONATIONS TO MUSEUM 

 In May and June, 1854. 



May 9th. 



Fruit of Bertholettia excelsa. From Dr. G. Emerson. 



Talpa europcea, and Arvicola terrestris, from Europe. From the Prince de 

 Wied. 



May 16th. 



An Indian Cranium, fragment of an upper jaw with teeth, and several other 

 fragments of human bones, thickly encrusted with carbonate of lime ; from a 

 cave (in which they were found with numerous other human crania 300 stated 

 embedded in limestone) in Vallecita, Calaveras Co., California. The property 

 of Dr. W. H. Housten, of Wheeling, Va., but deposited by Mr. Chas. Ellet, Jr., 

 through Dr. Chas. D. Meigs. 



Cambarus , from the prairies of Illinois. 



Crystal of Blende, from Niagara Falls; and Asphaltite, from Chicago. Pre- 

 sented by Dr. Leidy. 



Specimen of native Copper, from Lake Superior. Presented by Dr. W. H. 

 Tingley. 



Very fine specimen of Sulphate of Lead, from the Wheatley Mine, Chester 

 Co., Pa. From Mr. Chas. M. Wheatley. 



Fragment of a fossil lower jaw of a young animal of Platygonus? Le Conte, 

 from Augusta Co., Va. Presented by Dr. Le Conte. 



Crystalline Slag. Presented by Dr. Rand. 



May 23d. 



Specimens of Crystalline Slag. From Theodore D. Rand, Esq. 

 Lychee Nat. China. Presented by A. Robeson, Esq. 



