186 DR. R. VERITY : REVISIOX OF THE 



it would be nearly impossible to separate them in some cases if it were not 

 for the characters of the central streak of the fore wings. The Central- 

 European forms having always been regarded as nimotypical of the species, 

 Schilde suggested distinguishing the Scandinavian one by the name of 

 monotonia. Here, as in other instances, it would be wise to settle nomen- 

 clature once for all on the base of positive facts ; so I suggest abolishing the 

 latter name and giving one to the race from Central and Southern Europe 

 which is exactly intermediate between the two extreme variations of the 

 species — the Linnean and adrasta. It is by far the most widely distributed 

 of the three, and even within its range interesting local races can be 

 detected ; so, to fix it more exactly, I propose to take as typical of my 

 vulgaris that which flies in the neighbourhood of Florence (Italy). It is not 

 so large as some of the Alpine races, but it has the advantage of being A^ery 

 <}onstant. The male has traces of a tawny band above, the female has one con- 

 stantly, and generally also a small indefinite patch of the same colour within 

 its inner margin ; the underside of fore wings has a uniform tawny ground- 

 colour, and the hind wings a clear uniform grey one, on which the trans- 

 verse stripes stand out well. All these characters contrast with those of the 

 Linnean race. 



*Aphanthopus hyperanthus [1758]. A male and a female from 

 Linnseus^s collection are of the small form with smallish ocelli. 



*CcENONYMPHA PAMPHILUS [1758]. Two Linnean specimens of the small 

 northern race, with hind wings dark on the underside and bearing a well- 

 marked white band. 



CcENOJSTYMPHA HERO [17G1]. Not possessed by Linnseus. Sweden given 

 as the habitat. 



CcENONYMPHA ARCANius [1761]. Though not marked as possessed by 

 Linna3us, there are two specimens which unmistakably come from his col- 

 lection, and one bears a label of his. They belong to a very small northern 

 race and are presumably Scandinavian. The marginal black bands of wings 

 are very wide : on the underside the white band of hind wings is narrow and 

 the ocelli small. 



*Nemeobius lucina [1758]. Two Linnean specimens. 



*Thecla pruni [1758]. One male bearing the Linnean label; it is of the 

 form with only one small orange lunule near anal angle of hind wings on 

 upperside and with a narrow orange band on underside. Another specimen, 

 whicli is evidently from the collection of Linnseus, is a T. ilicis with orange 

 patch on fore wing ; he probably took it to be specifically identical with 

 priini. 



