

AN 



ILLUSTRATED ESSAY 



NOCTUIDJE OF NORTH AMERICA; 



A COLONY OF BUTTERFLIES." 



BY 



AUGUSTUS RADCLIFFE GROTE, A.M. 



PEESIDENT OF THE NEW TOEK ENTOMOLOGICAL CLUB ; VICE-PEESIDEXT 



OF THE AMEEICAN ASSOCIATION FOE THE ADVANCEMENT OF SCIENCE 



(1878) ; MEMBEE OF THE AMEEICAN PHILOSOPHICAL SOCIETY, OF 



THE BOSTON SOCIETY OF NATUEAL HISTOEY, OF THE BUFFALO 



SOCIETY OF NATUEAL SCIENCES, OF THE K.K. ZOOL.-BOT. 



GESELLSCHAFT ZU WIEN, OF THE MINNESOTA 



ACADEMY OF SCIENCE, ETC. 



LONDON: 

 JOHN VAN VOORST, PATERNOSTER ROW 



MUCCCLXXXII. 



