156 



the confusion has originated in consequence of 

 Entomologists attending too rigidly to the tarsal 

 system : a better classification can only be satisfac- 

 torily attempted when the larvse of the different 

 genera are more accurately known. 



Anisotomid^e, Stephens. 



Genera. 



Country. 



Typical Species. 



1. Tritoma, Fabricius 



Europe 



T. Bipustulatum, Fabricius. 



2. Alexia, Stephens 



England 



T. Pilifera, Mull. 



3. Phalacrns, Paykull 



Sweden 



Ph. Coruscus, Paykull. 



4. Epliistemus, Westivood. 



England 



Der. Gyrinoides, Marsham. 



f Anisotoma, Fabricius 

 ' I. Leiodes, Latreille 



Denmark 



Anis. ferruginea, Fab. 





__ _ 



i Agathidium, Illiger 

 i Volvoxis, Kugellan 



England 



Silpha seminulum, Linn. 





- 



c Clambus, Fischer 

 7. \ 



( Ptilium, Schuppell 



Sweden 



Der. Armadillo, De Geer. 







c Corylophus, Leach 

 ' t Clypeaster, Anderson 



I England 



Der. Cassidoides, Marsh. 



9. Orthoperus, Stephens 



England 



Der. Punctum, Marsh. 



10. Sericoderus, Stephens 



England 



Scap, dubium, Marsh. 



Anisotoma, Fabricius. 



Sp. 1 . Ferruginea.— I retain the Fabrician name 

 of Anisotoma in the place of Leiodes ; and instead 

 of changing the family name to Agathidiidse, as 

 Mr. Westwood has done, I prefer that of Anisoto- 

 midse. True Anisotoma seems attached to northern 

 regions ; it occurs in the New as well as in the 



