NORTH AMERICA, 
43 
are incredibly fertile ; which appears from the tall 
reeds of the one, and the heavy timber of the other* 
Before we left the waters of Broad River, having 
encamped in the evening on one of its confiderable 
branches, and left my companions, to retire, as ufual, 
on botanical refearches, on afcending a fteep rocky 
hill, I accidentally difcovered a new fpecies of ca- 
ryophillata (geum odoratiffimum) ; on reaching to 
a fhrub my foot flipped, and, in recovering myfelf, 
I tore up fome of the plants, whofe roots filled the 
air with animating fcents of cloves and fpicy perfumes. 
On my return towards camp, I met my philo- 
fophic companion, Mr. M'Intofh, who was feated 
on the bank of a rivulet, and whom I found highly 
entertained by a very novel and curious natural ex- 
hibition, in which I participated with high reliih. 
The waters at this place were dill and ihoal, and 
flowed over a bed of gravel juft beneath a rocky 
rapid : in this eddy moal were a number of little 
gravelly pyramidal hills, whofe fummits rofe almoft 
to the furface of the water, very artfully conftrucl- 
ed by a fpecies of fmall cray-hfh (cancer macrou- 
rus) which inhabited them : here feemed to be their 
citadel, or place of retreat for their young againil 
the attacks and ravages of their enemy, the gold- 
fim : thefe, in numerous bands, continually infefted 
them, except at fliort intervals, when fmall detach- 
ments of veteran cray-hm fallied out upon them, 
from their cells within the gravelly pyramids, at 
which time a brilliant fight prefented : the little gold 
hm inftantly fled from every fide, darting through 
the tranfparent waters like dreams of lightning ; 
fome even fprang above the furfiu'e, into the air, 
but all quickly returned to the charge, f unround- 
ing the pyramids as before, on the retreat of the 
