''Papers ftem l»ipoR'jr,^v Bailey, Mr. Hodge, Prof. Dewey, DiV 

 Gray, Prof. E. Loomis and J. M. M'Cord, Esq., Prof. J. C. Booth and olbers, will 

 pear in our next. 



Some of the papers announced in our last were subsequently withdrawn by ili 

 authors. 



Communications have been received from Mr. Heniy C. Lea, Dr. Muse, Pro 

 Samuel Adams, Mr. T. L. Knap, Messrs. Clarke Hare and M. H. Boy6. 



We have received the following valuable works and reports, notices of somi' of i 

 which were prepared for the present number, but have been crowded out. 



Three Lectures on Agriculture; delivered at Oxford in 1840 and 1841, by Charles jj 

 Daubeny, M. D. F. R. S., &c. Sibthorpian Professor of Rural Economy in the Uni- | 

 versity of Oxford. 1 



Report on the manufacture of Iron, by order of the Senate of Maryland, addressed ' 

 to the Governor, by J. H. Alexander, Topographical engineer to the State ; Annap- ' 

 olis, 1840. This is an important report and will come under further consideration. 



Report of the Geological Survey of Virginia, for the year 1840, by Prof. Wm. IJ 

 Rogers Richmond, 1841, pp. 132. '■ 



Fifth Annual Report on the Geological Survey of Pennsylvania, by Prof. H. D. i 

 Rogers, State Geologist. Harrisburgh, 1841, pp, 179. 



Final Report on the Geology of the State of New Jersey, by Prof. H. D. Rogers. 

 Philadelphia, 1840, pp. 301. 



Annual Report on the Geology of Maryland for 1840, by Prof. J. T. Ducatel. 

 Baltimore, 1841, pp. 59. 



Annual Report for 1840 of the State Geologists of New York, 1841. Albany, pp 

 184. 



Dr. Troost's fifth Geological Report to the Assembly of Tennessee. Nashville, 

 1840, pp. 75. 



Flora of North America, by Dr. John Torrey and Dr. Asa Gray, part 3d. 



Discourse by Dr. Darlington on the characters, properties and importance to man 

 of the natural family of plants, called Graminese or true grasses. 



The titles of communications and of their authors, must be fully given. 



Authors should always specify at the head of their MSS. the number of extra 

 copies of their communications which they may wish to have printed. 



Return proofs, not to be sealed, or inscribed with any thing except corrections. 



Notice always to be given when communications sent to (his Journal, have been, 

 or are to be, published also in other Journals. 



NOTICE. 



The public are cautioned not to make payment for subscriptions (o this .rourn.il, 

 except to such persons as are authorized to receive it. This work is sent Post pail 

 See the Prospectus on the third page of this cover. 



