( 2 ox eat 
is enabled to ‘compli in 
: im a. % BP, m 
on a small stream near ‘the Rio del Norte, within o 
fifty miles of the head of the ah they f toll ed ee to El Paso ‘ 
del Norte, (32° 15’ N.) thence s south: to Ciloabus (29° 20’ N. Ry 
and Cadena (26° 10’ N., 1042 4 thence south of east 
Saltillo, (101° W.) and ‘east to and Matamoras. ‘The 
author gives the following account 1e rocks observed in ef 
his journeyings. ; 
ee 
