Feb., 1846.] 15 



C. A. Roesch. From Dr. J. C. M. Boudin, of Versailles, 

 through Richard K. Haight, Esq., of New York. 



Bulletin semestrial de la Societe Royale de Medecine de 

 Marseille. l me - Annee. No. 1. 2 me - An. No. 1. and 2. 

 4 me - An. No. 1 and 2. From the same. 



A dissertation upon the origin of Mineral Coal. By Charles 

 Whittlesey, (late of the Geological Corps of Ohio,) Cleve- 

 land, 1845. From the Author. 



The American Journal of Science and Arts. Vol. 46. No. 1. 

 January, 1844. From the Editors, (in compliance with a 

 request from the Academy, for completing the series in the 

 Library.) 



Transactions of the Linnean Society of London. Vol. XIX. 

 Part 4. 4to. London, 1845. 



Proceedings of the same, from November, 1844, to June, 

 1845 ; and List of the Linnean Society for 1845. From the 

 Society. 



Letters were read : 



From Benjamin Silliman, Jr., dated New Haven, January 

 25, 1846, accompany the donation of the No. of Silliman's 

 Journal received this evening. 



From the Linnean Society of London, dated November 7, 

 1845, returning acknowledgements for certain Nos. of the 

 Proceeding of the Academy, and for Vol. 8, Part 1, of the 

 Journal, transmitted at the request of the Society. 



From Professor Owen, of London, dated Nov. 11, 1845, 

 in reference to the fossil genus Dorudon, of Dr. R. W. Gibbes, 

 published in the Academy's Proceedings. He considers this 

 genus to be the same as the Zeuglodon, (Basilosaurus of 

 Harlan,) to which genus also belongs the very extensive 

 series of bones recently brought from Alabama by Dr. Koch, 

 and now exhibiting in this city. 



Mr. Haldeman offered some remarks on the specimen of 



