MARSH RINGLET. 109 



being found in July, and some even as late as August. 

 The following localities for it are recorded : Rannoch, 

 Perthshire ; Lake District ; Sty Head Tarn ; Langdale 

 Pikes ; Eed Skrees Mountains, near Arribleside ; Gable 

 Hill. But other stations for it will probably be added 

 to our list in time. 



THE MAESH KINGLET, OR SMALL RINGLET 

 BUTTERFLY. 



(Cwnonympha Davus.) (Plate VI. fig. 6.) 



THIS species, which is another North-country butter- 

 fly, varies so much in its colouring of sober drab or 

 brown, with black eye-spots, that its varieties have 

 been described as distinct species under the names of 

 C. Polydama, Typhon, and Iphis, now, however, all 

 placed together under the name of Davus. 



These variations appear to depend in great measure 

 upon local differences of elevation, latitude, &c. 



Erom this excessive variability also it is very difficult 

 to give a clear general description of the markings, 

 though the insect may be distinguished from, other 

 British species that approach it in appearance by the 

 obscure yellowish-drab tint of the upper surface, marked 

 with indistinct eye-spots, and more especially by having 

 on the under surface of the hind wings an irregular 



