VI PREFACE. 



Dr. Erichson of Berlin, I have lately received the 

 offer of the loan of his Manuscripts on Fahrician 

 Insects, in which are noted down many observations 

 made during a careful examination of the Copen- 

 hagen Collections ; for the liberal offers of the 

 above individual I cannot feel sufficiently thankful, 

 as the value of the annotations will be appreciated 

 by all those who happen to know the accuracy of 

 the work entitled, " Die Kafer der Mark Branden- 

 burg, beschrieben von Wilh. Fred. Erichson." 

 Before entering on any remarks relating to the 

 present number, I think it right to mention two 

 objections brought against the Manual by some of 

 my correspondents. They are as follows : first, 

 " that there are no systematic tables of the family 

 and genera given ;" and secondly, " too much im- 

 portance has been given to the Lamellicorns as a 

 group." With regard to the first objection, I admit 

 it ; the only cause of the omission was a thorough 

 conviction that it was utterly impossible to combine 

 satisfactorily the views of different writers, unless 

 I created several new genera, and formed almost 

 an entire new arrangement. Now as such an 

 arrangement will be attempted by me at a future 

 period, when more leisure can be bestowed on the 

 necessary investigation, I pass to the second objec- 



