TO HIS EXCELLENCY 
SIR GEORGE GREY, K.C.B., D.C.L. Oxon., 
ETC. ETC. ETC., 
GOVERNOR AND COMMANDER-IN-CHIEF OF THE 
COLONY OF NEW ZEALAND, 
WHO, THROUGHOUT A LONG AND DISTINGUISHED CAREER, 
IN THE COLONIES OF 
SOUTH AUSTRALIA, NEW ZEALAND, AND THE CAPE OF GOOD HOPE, 
HAS BEEN THE LIBERAL ENCOURAGER OF EVERY SCIENTIFIC UNDERTAKING, 
THIS WORK 
IS GRATEFULLY DEDICATED, 
BY HIS EXCELLENCY’S VERY FAITHFUL SERVANT, 
J. D. HOOKER. 
ROYAL GARDENS, KEW, 
July, 1864. 
