PRINTED BT
pdN EDWARD TAYLOR, LITTLE QUEEN STREET,
LISCOLN-S INX FIELDS.
RONALD CAMPBELL GUNN, E.R.S., P.L.S.,
WI L L IAM ARCHER, F.L.S.,
® i) i0 J f lo r a o f E a s i i t a n i a ,
WHICH OWES SO MUCH TO THEIE INDEFATIGABLE EXERTIONS,
IS DEDICATED
BY THEIR VERY SINCSBE FRIEND,
R oyal G ardens, K ew ,
January^ 1860.
J . D . H O O K E R .
