NATUEAL HISTORY 



TRANSACTIONS 



OF 



NORTHUMBERLAND AND DURHAM. 



I. — A Catalogue of the Bisects of Northumberland and Durham 

 {Revision of Coleopterd] . By Thomas John Bold. 



REMARKS. 



In presenting to the Society a revision of our Catalogue of Local 

 Coleoptera, a few remarks may not be out of place to show the 

 necessity for such an undertaking. 



During the eighteen years which have elapsed since the com- 

 pletion of the Catalogue, a considerable number of other species 

 have been found to inhabit our district. Notices of most of 

 these,* with additional localities for many of the rarer species,! 

 are recorded at intervals in the Transactions, but too much scat- 

 tered to be either useful or interesting. It therefore appeared to 

 to me very desirable that the whole should be brought together 

 under one head. Not only was a revision necessary for these 

 reasons, but for others no less cogent : at the date of publica- 

 tion (1852) species were not nearly so correctly determined as 



* Trans. Tyne. Nat. Field Club, Vol. II., p. 335; Vol. III., p.p. 88 and 295; Vol. IV., pp. 

 54 and 175; Vol. V., pp. 52 and 221; Vol. VI., pp. 60 and 225; and continued in the Nat. 

 Hist. Trans., Vol. I., pp. 131 and 318. 



t Trans. CI., Vol. III., p 90; Vol. IV., p. 55; Vol. V., p. 56; Vol. VI., p. 225; and Nat. 

 Hist. Trans., Vol. I., pp. 134 and 315. 



A 



