TO 



JOHN GRAY, ESQ., M.E.S., 



IN WHOSE YACHT I FIRST VISITED THE CANARIAN ARCHIPELAGO, 



AND FROM WHOSE ZEAL IN THE CAUSE OF ENTOMOLOGICAL 



SCIENCE I HAVE, AT VARIOUS TIMES, RECEIVED MUCH PRACTICAL 



AID, THIS COLEOPTEROUS FAUNA OF THE ISLANDS WHICH WE 



EXPLORED IS DEDICATED, 



CORDE ET MANU. 



