Miscellaneous Facts and Observations, 181 



33, The bark of the Cornus florida, or Common 

 Dogwood, does more than support its former reputa- 

 tion. It was used, with much success, in the gene- 

 rally-prevailing intermittents of Maryland and Virgi- 

 nia, in 1804. By some respectable practitioners, it 

 was deemed but little inferior to good Peruvian bark. 



Editor. 



34. The bark of the Magnolia tripetala, or Um- 

 brella-tree, is much used, in some parts of the United- 

 States, particularly in the State of Tenessee, as a 

 tonic, in the management of the same forms of fevers. 

 The Whites seem to have been taught the use of this 

 article by the Indians, to whom we were, before, in- 

 debted for a. party at least, of our knowledge of the 

 properties of several of our valuable indigenous ve- 

 getables. 



Editor. 



Practice. 



35. I have seen the operation of trephining per- 

 formed, a few days ago, on the person of a West- 

 Indian negro, in St. Thomas's-Hospital. He re- 

 ceived a blow, about four years ago, on the right 

 parietal bone, with a hammer, which occasioned a 

 depression. Some time after receiving the blow, he 

 was attacked with an epileptic fit, attended with the 

 sensation termed aura cpileptica in the ring-finger of 



