246 



[Sept. 15, 



On motion, the sincere thanks of the Society were tendered 

 to Mrs. Mifflin "Wistar for her valuable gift, for which the 

 Society ordered suitable acknowledgment should be made. 



The deaths of Edward Hopper, August 7, 1893, a3t. 82, and 

 John M. Maisch, September 10, 1893, set. 63, were announced, 

 and the President authorized to appoint suitable persons to 

 prepare the usual obituary notices.* 



Mr. Lyman read a paper on " The Great Mesozoic Fault in 



17. Paris, May 27, 1809. Letter from Andre Miehaux to Dr. Wistar, referring among 

 other things to his work. (French.) 



18. Paris, November 29, 1S09. Same to same. (French.) 



19. Paris, September 7, 1810. Same to same, introducing Monsieur Borges. (French.) 



20. Paris, Decembers, 1811. Same to same, introducing the Abbe de Correa de Serra. 

 (French.) 



21. Paris, January 28, 1812. Same to same. (French.) 



22. Paris, June 26, 1814. Same to same. (French.) 



23. Paris, September 17, 1816. Same to same. (French.) 



24. Paris, December 18, 1817. Same to same. (French.) 



25. No date. Same to same. (French.) 



26. No date. Same to same, sending the iirst volume of Michaux's book on the trees of 

 the United States. 



27. No date. Instructions from the American Philosophical Society to Mr. Andrew 

 Miehaux, for exploring the country along the Missouri and thence westwardly to the 

 Pacific Ocean. 



28. Francker (Holland), July 31, 1809. Letter from A. G. Camper about fossils collected 

 by his father, the late Professor of Anatomy, Pitrus Camper. 



29. Francker, November 10, 1809. From same to Dr. Wistar, about same, etc. 



30. Francker, June 2, 1815. From same about same, etc. 



31. Francker, June 20, 1816. From same to Dr. Wistar, about an alligator skeleton, etc. 



32. Paris, December 4, 1811. From D. B. Warden to Dr. Wistar, introducing Correa de 

 Serra. 



33. Boston, September 27, 1813. From I. Correa de Serra to Dr. Wistar. 



34. Lexington, August 20, 1814. From same to same. 



35. St. Petersburg, October, 1813. From Dr. Tilesius to Dr. Wistar, about skeletons, etc. 

 (Latin.) 



36. St. Petersburg, October, 1813. From same to same, about fossils, skeletons, etc. 



37. St. Peter>burg, January 27, 1814. From same to same, accompanying a box of casts 

 of skulls, bones, etc. (German.) 



38 New York, May 1, 1815. Notice of Dr. Wistar's election as an honorarj- member of 

 the New York Literary and Philosophical Society. 



39. Bethlehem, June 2, 1816. Letter from John Heckewelder to Dr. Wistar, about the 

 publication of a book, etc. 



40. Bethlehem, July 1, 1816. From same to same, about said book. 



41. Bethlehem, April 26, 1817. From same to same. 



42. March 3, 1815. Report of the Committee on Dr. Wistar's Memoir on the Othmoid 

 J '.one. 



43. January 19, . Report of the Committee on Dr. Wistar's Paper on Fossil Bones. 



44. Philadelphia, July 22, 1830. Letter from the President of the American Philosophi- 

 cal Society, asking for the loan of Dr. Wistar's portrait in order to have it copied and 

 liuug in the Hall of the Society. 



* The President subsequently appointed Dr. Charles S. DoUey for Dr. Maisch. 



