ERRATA. 



Page 3, line 22, for "indviduals" read "individuals." 



" 4, " 23, add "t" to tlie first word of the line. 



" 6, " 31, for "courses" read "causes." 



" 30, " 31, read " Grapta Silenus." 



" 30, " 42, read "Argynnis." 



" 30, " 43, read "Argynnis." 



" 33, " 8, second column, for "Sambuscus" read " Sambucus." 



" 35, " 17, for " Menlries " read " Menetries." 



" 44, " 7, for " Danopolis " read " Demopolis." 



" 44, " 29 and 31, for "synonym" read " synonomy." 



" 54. " 37. I'^ad " as wide at base as the thorax." 



" 66, " 57, first column, read " rare, one ? ." 



" 71, " I, first column, read " Heterophleps." 



" 71, ' 14, first column, read " Deilinea." 



" 93. " 47, read " was detected " for " were detected." 



" 94> " 9> ^^^^ "After the imagines emerge," 



" 97, " 2, tor " patustris " read " palustris." 



" 97, " 43. for " seem " read " seems." 



" 98, " 22, after " internal margin " add a comma. 



" 98, " 29, for "Querci" read " Quercus." 



" 99, " 30, for "oblinata" read " oblinita." 



" loi, " 13, for " Cerussaria " read " obrussaria." 



" 139, " 17, for "I ¥" read "i S •" 



" 161, " lines in foot note, the " o " displaced — last line read " Turnus." 



" 164, " 38, for " Orgyvia " read "Orgyia." 



" 186, " 23, for " semi-fiarea " read " semi-flava." 



" 188, " 12, for " photoliphography " read " photolitography." 



