Scientific Intelligence. 433 
vert to that during her delirium. When she became rational 
again, she would pursue the same conversation in which she 
had been engaged during the lucid interval, beginning where 
she had left off. To such a degree was this carried, that shell 
would complete an unfinished story or sentence, or even an : 
unfinished word. When her next delirious paroxysm came on, 
she would continue the conversation which she had been pur- 
suing in her preceding paroxysm; So that she appeared as a 
person might be supposed to do, who had two souls, each occa- 
sionally dormant, and occasionally active, and,utterly ignorant 
of what the other was doing. 
: . 
INTELLIGENCE. : 
-Se—- 
American Cinnabar and Native 
Ant. XXIII. 1. Discovery of 
Le 
ad. 
Extract of a letter from Dr. Comstock of Hariford, to the Editor. 
SiR, 
| answer to your inquiry concerning the discovery of sul- 
phuret-of-mércury and native lead in this country, I send you 
the following summary of a letter received from B. F. Stick- 
ney, Esq. Indian agent, dated Fort Wayne, Dec. 1, 1818. 
Mr. Stickney states, that the situation of Fort Wayne, and 
the country surrounding, is a high level, probably about 800 
feet above the sea. From this place the water-courses divide 
and take different directions, on the one hand falling into the 
ay of St. Lawrence. 
Gulf of Mexico, and on the other into the B 
The whole country is of secondary formation, chiefly calca- 
reous and aluminous. ee 
Bitumen and sulphur are every where ‘to be 
usual, accompanied by the metals. aie 
In speaking of the cinnabar, his words are, “I have found 
a black and garnet-colored sand; in great abundance on the 
found, and as 
