510
was absent on leave, Mr.
Tigge performed the duties of the Director of the Obser-
vatory in a manner entirely satisfactory to the Go-
vernment and to the Pu-
blic.
H.
Having regard to
Mr. Tigge's scientific attainments and the length of
his service I venture to
hope that you
will ap-
prove the increase to
his salary herein recom-
mended.
I have the honour to be,
Sir,
Your Most Obedient
Humble Servant,
William Robinson