172 



Nos. 27 and 28. March, April, 1845. 8vo.— From Edward 

 Newman, Esq., Editor. 



The Phytologist : a BotanicalJournal. No. XLVII. April, 1845. 

 London. Bvo. — From the same. 



On the Genus Sigillaria : Contributions towards establishing the Ge- 

 neral Characters of the Fossil Plants of the Genus Sigillaria. By 

 William King, Esq. From the Edinburgh New Philosophical 

 Journal, for January, 1844. 8vo. — From the Author. 



Discurso dirigido ao Instituto Historico e Geografico do Brasil pelo 

 seu Socio Correspondente Antonio Ladislau Monteiro Baena. 

 Maranhao, Anno, 1844. 8vo. — From the Author. 



Report of Experiments on Gunpowder, made at Washington Arsenal 

 in 1843 and 1844. By Captain Alfred Mordecai, of the Ord- 

 nance Department. Washington, 1845. 8vo. — Frojn Major 

 Hartman Bache. 



Etudes sur les Echinides, par M. Charles des Moulins. Premiere 

 Partie. Etudes Generales, renfermant Trois Memoires. Bor- 

 deaux, 1835, 1837. Svo. — Fro7n Isaac Lea, Esq. 



A Catalogue of the Generic and Sub-Generic Types of the Class 

 Aves — Birds. Newcastle (England), 1840. Svo. — From the 

 same. 



Report of the Natural History Society of the Counties of Northum- 

 berland, Durham, and Newcastle upon Tyne, for the Year end- 

 ing August 1, 1833. 8vo. — From the same. 



The Medical News and Library. Vol. III. June, 1845. No. 30. 

 Svo. — From Messrs. Lea <^- Blanchard. 



Interference of the Executive in the Affairs of Rhode Island. 2Sth 

 Congress, 1st Session, House of Representatives, No. 546. — 

 From Joseph R. Ingersoll, Esq. 



Message of the President of the United States to the Two Houses of 

 Congress, at the Commencement of the Second Session of the 

 28th Congress, Dec. 3, 1844. — Fi-om the same. 



Annual Report of the Commissioner of Patents, for the Year 1844. 

 House of Representatives, No. 78. — From the same. 



Commerce and Trade : Letter from the Secretary of State, transmit- 

 ting Returns of the Consuls and Commercial Agents of the United 

 States, at the several Ports abroad, containing Information in re- 

 gard to the Amount and Description of Commerce and Trade be- 

 tween the United States and Foreign Countries, &c. March 3, 

 1845. — From the same. 



