CONTENTS. v 



XVIII. Sketch of the Medical Topography of the Military Tract 

 of the State of New-York. In a letter from Dr. John H. Frisbre, 

 of Camillus, to David Hosack, M. D., of New-York. Continued 

 (and concluded) from the Medical and Physical Journal, Vol. II. 

 Part II. page 85. 143 



XIX. On the Use of the Polygala Senega, or Seneka-Snake-Root, 

 in the Treatment of the Malignant Yellow-Fever. Communicated 

 to the Editor, by James Haynesworth, M. D., of South-Carolina 145 



XX. Remarks on the Treatment of the Measles. In a letter to 

 the Editor, from Cosmo G. Stevenson, M. D., of Baltimore 148 



XXI. On the Use of the Vitriolic Ether in a case of Strangulated 

 Hernia 151 



XXII. Dissection of a Remarkable Tumor of the Respiratory 

 Organ, &c. In a letter to the Editor, from Dr. Isaac Heylin, of 

 Philadelphia 155 



XXIII. Statement of Deaths, with the Diseases and Ages, in the 

 City and Liberties of Philadelphia, from the 2d of January, 1807, to 

 the 2d of January 1808 161 



SECTION SECOND. 



REVIEW. 



I. A Discourse on some of the Principal Desiderata in Natural 

 History, and on the best Means of promoting the Study of this Sci- 

 ence in the United-States. Read before the Philadelphia Linnean 

 Society, on the 10th of June, 1807. By Benjamin Smith Barton, 

 M. D., &c. 165 



