SUMMAEY AND CLASSIFICATION 339 



sematic, and Pseudepisematic Colours might be raised 

 to the rank of a separate subdivision. I think, how- 

 ever, that existing knowledge is sufficiently represented 

 by the provisional arrangement suggested in the fol- 

 lowing table. It would be inconvenient to render the 

 classification more complex on account of a small 

 number of instances. 



