ERRATA. 
Page 71, line 11 from bottom, omit Identical with S. rochussent &c, 
„ 71, „ 12 from bottom, dele all inverted commas. 
„ 73, „ 25, for Gen. read Ges. 
„ 184, „ 2, for id. read Stimpson. 
„ 190, „ 15 from bottom, for id^ read Bock. 
„ 194, ,, 11 from bottom, for id. read Olsson. 
„ 194, bottom line, for iired read figured. 
„ 254, line 11, for Peltes read Peltis. 
„ 258, „ 16 from bottom, for Nigidiis read Nigidius. 
„ 356, bottom line, for Ramum read Ramann. 
„ 359, line 21, for hy antis read hy antis. 
„ 366, „ 13, for g. n., read Butler; cf. 
„ 382, between lines 16 and 17 insert G. caulipnellaj Schm. : galls caused 
by this species at the Drachenfels discussed by A. Muller, Ent. 
M. M. vii. p. 254. 
„ 387, line 19, insert and between Htg., and tremulce j and dele , and can- 
Uginellaj Schm. 
„ 463, line 14, for Labidaster read Lahidiaster. 
