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Dr Hamilton’s Account of two Maps 
ridges were produced in our maps, and obtained a name which 
has been continued in subsequent delineations, and Nature forced 
to comply with the imaginations of imperfect science. Such, for 
instance, is the Chain of the Grampian mountains, among which 
I now write, and which exists merely in the imagination of geo- 
graphers, the whole of Scotland being a cluster of hills ; among 
which narrow valleys wind in all directions. 
Although, in some respects, the second of the accompanying 
maps is the most perfect, yet I have judged it expedient to pub- 
lish both, for the following reasons. 
As the first map was in my possession while the second was 
drawing, a comparison between the two will enable us to judge 
what reliance can be placed on the slave’s accuracy of memory. 
On the whole there is a wonderful correspondence between the 
two maps ; but yet there are essential differences, which must 
put us on our guard in placing an implicit reliance on his accu- 
racy. Thus, in the first map, M. Tin is placed above the junc- 
tion of the Anan, with the river of Siam ; while, in the second 
map, it is placed below. In the first map, we have M. Seen as 
a town on the Anan ; which, in the second map, is named M. 
Gan. This, perhaps, was owing to my mistake in copying ; or, 
perhaps, to an error in the slave’s reading, the initials of the two 
words in the Mranma character being much alike. In the first 
map, a small river, falling into the Maekhaun, is called Main Go 
Khiaun, because it rises near a town named M. Go; but, in the 
second map, it is called M. Zaen, because it passes near a town 
named M. Zaen. Again, in the first map Lanuash, towards up- 
per Laos, is placed on the west side of the Masle ; while, in the 
second map, it is on the east ; south from thence, in the second 
map, we have M. Bhae in place of M. Las of the first, the cha- 
racters being very nearly alike. M. Lae is the proper name, as 
I found it thus written in the original characters in the first map ; 
while, in the second, the original character had been obliterated. 
In the second map, Tamat occupies the place which Mrisso does 
in the first, and the latter place is altogether omitted ; but, in 
the second map, we have in the same vicinity M. Kiin, a town 
not mentioned in the first. There are thus two towns in both 
maps ; but in each, one of these towns is named in a different 
manner, and the situation of the other differs, Khiaun Tamat 
