110 
WAUGH ON MOUNTS EVEREST AND DEODANGA. [Jan. 11, 1858. 
Memorandum by J. Hennessey, Esq., Second Assistant in charge of 
Geodetic Computations at Trigonometrical Survey , Head- Quarters. 
I have carefully perused Mr. B. H. Hodgson’s paper attempting to 
identify Mount Everest with some hill variously called “ Deodanga, 
vel Bhairavathan, vel Bhairavlangur, vel Gnalthamthangla.” 
I am of opinion that Mr. Hodgson has advanced no evidence 
whatever to prove this identity. 
The arguments stated, if indicating any one peak more than 
another, point to Peak XVIII. as the one called Deoadhanga, &c. 
Thus, Mr. Plodgson, speaking of Deodanga, says, “It is a great 
mass It is visible from the confines of Nepal (proper).” 
Now the straight line passing through Mount Everest and XVIII. 
and extended towards Nepal, passes nearly through the centre of 
that valley, nor is there any point in the latter at which the angle 
Mount Everest and XVIII. exceeds 3°. Taking any point on the 
straight line, Mount Everest, XVIII., and valley, and within the 
valley, the latter peak shuts out the former, as can be demonstrated 
by calculation. It is also exceedingly improbable that the same does 
not occur from any point whatever in the valley ; but, be this as it 
may, it is impossible, under the circumstance, that XVIII. would 
admit of a “ great mass ” of Mount Everest being seen. 
And yet that Deodanga, &o., is seen from the “ confines ” of the 
valley, and that it is “a great mass,” we have Mr. Hodgson’s evidence 
to show. That gentleman has therefore demonstrated, at least, that 
Mount Everest and Deodanga are not identical. 
I have seen Mount Everest, certainly, from near Titalyah in 
Purneah, very probably from other districts along the Terai. It 
never struck me as a great mass. 
J. B. N. Hennessey, Second Assistant General 
Trigonometrical Survey of India. 
Memorandum by J. W. Armstrong, Esq., Civil Assistant General 
Trigonometrical Survey of India. 
In compliance with Department Orders No. 10,267, by the Sur- 
veyor-General of India, under date the 22nd April, 1857, I beg 
leave to submit the following remarks on the question which has 
been mooted regarding the identity of Mount Everest with Deodanga 
vel Bhairavathan. 
This lofty pinnacle of the Himalayas was observed by me in 
1846 from a distance of above 200 miles, and by Colonel Waugh 
