FOSSIL BUTTERFLIES.
BY
SAMUEL H. SCUDDER.
TO
COUNT GASTON DE SAPORTA,
OF AIX IN PROVENCE,
WHOSE EXTENDED MEMOIRS ON THE FLORA OF THE TERTIARIES OF SOUTHERN FRANCE FORM THE BASIS OF THE BIOLOGICAL CONCLUSIONS OF THIS ESSAY; AND WHOSE UNWONTED COURTESIES HAVE PERMITTED A CAREFUL EXAMINATION OF THE MOST IMPORTANT FOSSIL BUTTERFLIES,
THIS MEMOIR IS RESPECTFULLY INSCRIBED BY
THE AUTHOR.