SYRICHTHUS MALVjE. 209 



between leaves of the food-plant. The imagines 'have 

 six perfect legs adapted for walking. The following 

 artificial key to the species of the Hesperiidce may be 

 found useful : 



A. Sexes similar ; ground-colour black or brown. 



1. Black with white spots S. malvce. 



2. Black with yellow spots C. paleemon. 



3. Dark brown, with darker brown marking, 



and a few small white spots N. tages. 



B. Male distinguished from the female by a 

 black bar on the fore- wings ; ground-colour rich 

 orange-brown. 



a. Small ; without hooks to antennae. 



1. Colour uniform; bar on male, long, con- 

 tinuous, curved, distinct ; under- side of 



antennae, pale buff, not dark H. thaumas. 



2. Colour uniform; bar on male, short, 

 broken, usually indistinct ; under-side of 



tips of antennae black H. lineola. 



3. With a fan-like arrangement of light 

 markings on fore-wings H. action. 



b. -Larger ; with hooks to antennae. 



1. Under-surface yellowish, almost uniform H. sylvanus. 



2. Under-surface darker, with square white 

 markings H. comma. 



Syrichthus, Bdv. 



The genus Syrichthus is represented by the single 

 species following : 



S. malvae, Linn., S. alveolus, Hiibner (Grizzled 

 Skipper) (Figs. 244 and 245), is a fairly .common little 

 butterfly in grassy spots near woods in England and 

 parts of Scotland. When on the wing it is very difficult 

 to follow, and so does not fall an easy prey to the 

 pursuer. Should a capture be effected, it must be 

 remembered that a Skipper- is not like an ordinary 

 butterfly, and no attempt should be made to kill it by 



