&B6 Dr Francis Hamilton's Account of a Map, 
serves some attention. Although the passage is said to have 
salt-water all the way, it seems to be navigable only for boats or 
small vessels. 
Towards the frontier of the Mranma territories, on the Bay 
of Bengal, in 1795, the Siammese had a large town named 
Saersen, in the vicinity of which many elephants are caught. 
It was in the government of the Bhura Silan, as is also Ban- 
garim, a town between it and Papara. This government was 
subdued by the Burmas in 1810, but has probably been since 
restored to Siam. 
Queda on the west, and Tringani on the east side of the 
peninsula, adjoin to the Siammese dominions, I presume at the 
channel crossing from the Straits of Papara to the Gulph of 
Siam, if such exist. Both are inhabited by Malays of the 
Mahommedan rebgion, and governed by hereditary chiefs, who 
assume the title of Sultan ; but whenever the Government of 
Siam is in vigour, they pay tribute to its King (Poa of Duara- 
wadi), who allows them the title of Raja. 
Art. Y. — On the Knight's Moves over the Chess-hoard . 
Having in a former Number (Vol. IV. p. 893.) given a co- 
pious abstract of an ingenious and successful attempt to analyse 
the Automaton Chess-player of M. de Kempelen, which has so 
long excited public attention, we return to the curious but ano- 
nymous work which furnished us with that abstract, for the pur- 
pose of giving an account of the various methods by which the 
chess-board may be covered by the moves of the Knight. 
This curious operation was often exhibited by the Automa- 
ton, both over the whole board, and over half of it ; and the 
ingenious author of the work alluded to, was thus led to study 
the subject, and to determine that this operation might be per- 
formed on any parallelogram consisting of Twelve squares and 
upwards, with the exception of Fifteen and Eighteen squares. 
Two of these operations we have already given in the volume 
already referred to ; and we shall therefore confine ourselves to 
the collection of different solutions made by our author, and to 
those which he has himself discovered. 
