—<— 
250 Correct 
myriametres, (or about 308 leagues ;) and 
15,408 men would have been required. 
Is it probable that Xerxes should have 
-employed ina single line of correspon- 
dences 26,000, Eumenes 15,009, and the 
Gauls 3000 men? [fs it not more natural 
to suppose, that this vocal correspondence 
was a false report, circulated by the re- 
spective governments for the purposes of 
drawing off the attention of the enemy 
from the signals, by means of which the 
correspondence was actually carried on. 
Diodorus himself authorizes this con- 
‘ Jecture; for in the same book where the 
passage relative to Eumenes is found, he 
says of Antigonus, another of Alexan- 
der’s generals, that “ he stationed through- 
out all Asia fire-beacons and messengers, 
that his orders might be promptly com- 
municated and exccuted.” The real 
means, then employed, for the quick 
transmission of intelligence, were various 
kinds of signals and couriers. 
Thus Herodotus, whose veracity is ac- 
knowledged by all, does not attribute 
- any, other to the Persians, (viii. 664, ed. 
Wesseling;) neither does the author of 
the treatise De Mundo, (cap. vi.) which 
is found in the collection of the works 
ascribed to Aristotle. The latter says 
wv 4 fois. il be td ae 
List of New Publications. FOct. 4, 
. * 
expressly: “the kings of Persia had sta-_ 
tioned in the country of Asia, subject to 
their sway, ........ messengers on 
foot, and couriers on horseback, centinels, 
guards and observers of signals, 
thing was so well regulated, especially 
for the correspondence by means of fire- 
signals, that the king might have intelli- 
gence sent him in one day’s time of 
any commotions that happened in Asia, 
from the confines of the empiré to Susa 
and Ecbatana.” 
Here we find that this author has, with 
great care, enumerated the modes em- 
ployed by the Kings of Persia: but he 
does not attributete the human voice or 
the swiftness of horses the transmission 
of intelligence, from the extremities of 
Asia to Susa, in one day’s time: which 
would have been impossible. He ex- 
pressly attributes this effect to fire-signals, 
which might succeed each other with the 
greatest rapidity. 
It is true that these signals, being con- 
fined in number and position, could con- 
vey only the substance of the news: but 
couriers soon afier brought the details : 
and in this manner the correspondence, 
by means of our modern telegraphs, is still 
conducted. 
f 
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