1862.] n:', 



Synopsis of Families of HETEROCERA. 

 BY BRACKENRIDGE CLEMENS, M. I). 



That the following Synopsis of Families may be used to advantage, it is 

 necessary that the fore and hind wings should be carefully denuded of 

 their scales on both sides. 



My own method of doing this, is as follows : the wings are carefully 

 detached from the thorax and placed on a slip of glass with the surface a 



E K R A T A . 



Pai>e 152, line 7 from the bottom, read h'mhatilhi instead of Hiilmtrlln . 



Page 15o, line 2 from the bottom, read tig. 9 instead of f l(i. 



Page 154, line 4 from the top, read in others instead of /// nthir. 



Page 158, line '1"^ from the top, read loere instead of ica». 



Page 158, line 6 from the bottom, read stigniata instead of sfi(/iii(i. 



Page 160, line. 24 from the top, after the word motion add <>/. 



Page 161, line 7 and 8, read imderside instead of skh'. 



Page 161, line 18 from the bottom, strike out lying. 



}*age 165, line 18, read jwbesceurr instead of puhesenvc. 



contain one or more specimens. In order that they may be easily distin- 

 guished, the slides should be covered with paper, leaving openings through 

 which the wings can be seen, and the names of the family, genus and 

 species written upon it. 



The following is the method used by Mr. Guenee, which the student 

 may prefer : " I commence by depriving the wing, on both sides, of 

 nearly all its scales, by means of the solution of gum that is used to take 

 impressions of them, [between two pieces of paper or tissue-paper, which 

 are moistened with the solution of gum, I suppose, and submitted to light 

 pressure,] and as some scales are not taken off by this treatment, especi- 



