68 BRITISH BUTTERFLIES AND MOTHS 



and the various species of Taeniocampa,0 rthosia, and 

 Xanthia. We have 34 British species. 



9. COSMUXE. Imago of moderate size ; antennae 

 generally simple ; abdomen smooth, slender in the 

 male ; anterior wings rather pointed at the tip ; wings 

 in repose forming a very inclined roof. Larva elon- 

 gate, bright-coloured, rather flattened beneath, living 

 between united leaves of trees. 



This family includes the species of Tethea and 

 Cosmia. We have only 8 British species. 



10. HADENID^]. Imago with the antennae rather 

 long ; the abdomen more or less crested ; the anterior 

 wings thick, with the ordinary spots and lines ; the 

 subterminal line is never completely straight, and is 

 often so deeply indented in its middle as to form the 

 letter W. In repose, the wings form a very inclined 

 roof. Larva elongate, smooth, not glossy ; the spots not 

 raised, the twelfth segment sometimes humped ; feeding- 

 exposed or simply sheltered on trees or low plants. 



This extensive family includes the Angle Shades, and 

 the various species of Hadena, Aplecta, Epunda, and 

 Dianthsecia. We have 46 British species. 



11. XYLINID^. Imago with the antennae generally 

 simple ; the thorax robust ; the collar often crested ; 

 the anterior wings oblong, with longitudinal markings ; 

 the ordinary transverse lines rarely distinct; wings 

 rather folded in repose, forming a flattened roof, and 

 giving the insect an elongate appearance. Larva cylin- 

 drical, elongate, smooth, generally of brilliant colours ; 

 living exposed on low plants or trees. 



This family includes the Sword Grass and Shark 

 Moths and the species of Xylina. W T e have now 19 

 British species. 



