368 Geographical Notices. 
Art. XLI—(Geographical Notices. No. VIL. 
PHYSIOGRAPHY OF THE Istumus oF Cxocd, New GRANADA. 
By Arruur Scuorr.*—The transit line across the Isthmus of 
Chocé, New Granada, has been lately re-surveyed, from ocean to 
ocean, in the neighborhood of the seventh parallel of north lati- 
tude, by a party acting under the authority of the U. 8. govern 
ment. The following facts were collected in connection with the 
field work of the topographical party, under the immediate or 
fe) 
glades, forest swamps and ever-shady uplands. _ . 
To facilitate a more detailed examination of the country iS 
i ; ; roves and 
flow of the Atrato. IV. 'The palisades, V. The lowland. 
The tableland.. VII. The Cordillera or Divide. VIII. The st 
luvium. IX. The mangroves. X. The beach (La Play a) 
Not only is the Atlantic slope found at first sig 
very much in extent the western or Pacific slope aoe 
which applies generally to the whole of the continent) ch more 
each of the topographical subdivisions mentioned is ee ughout 
developed on the eastern side than on the western. ee f 
almost the entire route, the aquatic character wo wi - review 
distinctly marked in its fauna and flora. A more detail 
* Communicated for this Journal by permission of the U. 8. Navy Department 
RR iy te a No 
