310° Mr. Genet’s Reply to Dr. Jones. 
Art. XIX.—Reply io Dr. Jones, in the Franklin Journal, 
on the subject of the Hemarel on the Upward Forces of 
Fluids ; by Ep. C. GENET. A 
TO THE EDITOR. 
New-York, April 26, 1827. 
Sir,—Your kindness in allowing a place in the three last 
numbers of the American Journal of Science and Arts, for the 
extracts from, and the defence of, my Memorial on the applica- 
bility of the upward force of fluids to xrostatic and hydro- 
static machinery, ought to restrain me from committing any 
further trespass upon your indnigence and the patience of 
your readers. I had, indeed, resolved to adhere to that pra- 
dent course, until the experiments which I am ‘preparing on 
the new mode of navigating the air and the water, had attest- 
ed whether mae assisted by the levity of the aeriform and 
the density of the aqueous fluids, could extend the limits of 
his faculties into the elements alotted to the birds and the 
fishes, or remain circumscribed within his present narrow 
compas: 
But, Sir, I am under the necessity of deviating from that 
enna line of conduct, and permit me to state, that you 
JONES, editor of the "are Journal, and. Professor of 
Merkanuas in the Franklin Institute of Philadelphia, had once 
more taken the trouble to bring my theories into public no- 
tice. That hint was sufficient to excite my curiosity; ex- 
pecting to find, in the Doctor’s remarks, some useful lesson or 
merited. eerremtion, I hastened to procure a copy of the num- 
ber rnal that you had designated. But how great 
was my pes on finding that seri the whole of this new 
production of his pen, was in a great measure calculated to 
involve, in my proscription, our worthy friend, Doctor PAs- 
CALIS, Senior Censor of the State Medical Society, of New- 
ork, and President of the American Branch of the Lin- 
nzean Society, and to hold us both up to public view as fit 
of ridicule, the one for having advanced an untena- 
ble doctr ne, on the other for having in some measure coun- 
d it, by claiming for its author, on a subject entirely 
