having been allowed, either before or since, to travel anywhere
except to and from the plains of India and valley of Katmandu, in
which the capital city and British residency are situated.] for the
permission to traverse his dominions, and to visit the Tibetan passes
of Nepal. His prudence and patience in negotiating with the Sikkim
court, enabled me to pursue my investigations in that country. My
journal is largely indebted to his varied and extensive knowledge of
the people and productions of these regions.

In all numerical calculations connected with my observations, I
received most essential aid from John Muller, Esq., Accountant of the
Calcutta Mint, and from his brother, Charles Muller, Esq., of Patna,
both ardent amateurs in scientific pursuits, and who employed
themselves in making meteorological observations at Dorjiling, where
they were recruiting constitutions impaired by the performance of
arduous duties in the climate of the plains. I cannot sufficiently
thank these gentlemen for the handsome manner in which they
volunteered me their assistance in these laborious operations.
Mr. J. Muller resided at Dorjiling during eighteen months of my stay
in Sikkim, over the whole of which period his generous zeal in my
service never relaxed; he assisted me in the reduction of many
hundreds of my observations for latitude, time, and elevation,
besides adjusting and rating my instruments; and I can recall no more
pleasant days than those thus spent with these hospitable friends.

Thanks to Dr. Falconer's indefatigable exertions, such of my
collections as reached Calcutta were forwarded to England in
excellent order; and they were temporarily deposited in Kew Gardens
until their destination should be determined. On my return home, my
scientific friends interested themselves in procuring from the