* 
ant the. mountains. xperiments made on. the high 
: 55 [26], 
class blon gs the Rio det Norte, running ‘from northwest to southeast through 
the State, “and its two tributaries, the Rio Conchos and Pecos. ‘The water- 
courses that run into the Pacific all have their origin in the Sierra Madre, 
and are the following: the San Miguel, Refugio, “Moris, Papigochic, and 
Gila. Of the latter, the Gila, the State of Chihuahna'claims only the 
sources flowing from the Sierra de Mogoyon, until they unite with the Rio “ 
e San Francisco, a distance of 27 leagues. The third class of rivers dis-" 
arge 
a already in passing lake Eincinillas, above Chihuahua. The fol- 
lowing rivers empty into such lakes: the Rio de Casas Grandes into lake’ 
ha a the San Fe eas into lake Santa Maria; and the Carmen’ 
nto lake Patos. It appears as if those lakes are principally produced by 
the physical properties of the ground, to wit: a wide, very level plain and» 
great porosity of the soil. Sime of the lakes are supposed to have been © 
ormerly connecte : 
Common and mineral springs are very frequent i in the State; the latter 
are mostly sulphurous, but are seldom used for medical purposes. 
ue climate mgees is bem porate The influence of the more southern 
riety ithe seasons: hot summers, rainy se asons, a ud devebewhters, ‘often fol- 
low each other. But on the plains of the plaeind: between 4,000 and 5,000 
feet above the sea, there prevails a delightful, constant ‘climate, with* mod 
erate temperature in summer and winte er, with a clear sky and dry 
sphere, interrupted only by the rainy season, which generally lasts mip 
uly and August. The thermometer in the city 0 of Chihuahua, I am told, 
seldom rises higher in thé summer than about 95 degrees ah., and of 
the moderate cold in the winter I can speak from experience. Some breezes 
prevail throughout the year. The barometer exhibits in the city of in 
ou the year. In we many ves bt I have made there in the 
winter and spring, t is a difererice only, between 
ainy season, int 
the highest and lowest stand of the lee sot (reduced to 32° Fah.) 
0.580 i 
The great dryness of the nbmospicre produces, of course, a very free de- 
velopment of electricity. By rubbin g the hair of cats and dogs in the dark, 
in this w ay® Som € persons, entitled to confidence, informed me that by 
changing their oollen under-dress in the night, they had at first been’re- 
peatedly frightened by seeing themselves suddenly ‘enveloped in amass of 
p 
electrical fire. The remarkable flames that appeared after a thunder-storm 
gonecied with electricity. I recalléct also, from an ac count published im 
relation to the battle of Buena Vista,, hat during & 
a fine palncenne would no dou! 
ie ees I find a 
paraie Ste “The © become 39 
dat mei in subj ff our es “Meets he eerie fu fluid w ould 
a ‘hihuahua we prepaees a bottle v | gold leaf, ; 
¢ electric fluid from a pet eer PH 
bees nine Cou ge 
