Erkata and Corrigenda. 



Pa^e ii, line 16, for " ae " i-ead " ce." 



Page iii, line 1,/or "biological" read "bibliographic." 



Page vi, line 8, for " Moiifat" read " Moufet," and in other places. 



Page ix, at footnote, /or "Departibus" read "De Partibus." 



Page xxii, line IB, dele " Reaumur ?" 



Page xxix, for " Sahlsberg " read " Sahlberg." 



Page 1, above Genus I., insert " CICADINiE." 



,, ,, line 15, for " Cicadetla" read " Cicada." 

 Page 2, line 3, for " fossi " read " fossae.'' 



Page 5, for " II. MEMBRACID^ " read " MEMBRACINiE." 

 Page 10, for Genus I. read Genus IV. 

 Page 11, „ „ I. „ „ V. 



Page 16, ,, „ I. ,, „ VI. 



Page 18, „ „ I. „ „ VII. 



Page 80, above "TRIECPHORA" read " CERCOPIN^." 

 Page 94, above " BYTHOSCOPID^ " read "JASSINiE." 



