SEASONAT. POLYMORPHISM. 



29 



My tj'pical series of this race is from the southern slopes of the Mount 

 Senario hill, not far from Florence. 



Loweia dorilis, Hufn., race italoe,um, mihi. Compared to the 

 nimotypical race of Berlin the Italian race is seen to be larger, the 

 submarginal fulvous lunules are larger and more vivid in both sexes ; 

 the black shading, which is conspicuous in many males of the former 

 on the underside, entirely disappears ; the black shading of the upper- 

 side of the female is always very reduced and entirely absent in the 

 great majority of specimens, which belong to the form phocas, Eott. 

 (= fulvior, Stef.). There is no seasonal polymorphism, as in the 

 Spanish hlevsei, Obth. 



Glaucopsyche cyllariis, Eott., race pauper, mihi. Size lesser than 

 in the central European race, and extremely small specimens quite 

 frequent ; females very often with no trace of blue scaling on upperside, 

 and always restricted to a small basal area when present ; bluish or 

 greenish scaling of underside never reaches the outer half of the costal 

 zone of hindwings, and never extends beyond the series of black spots. 

 It must be noted that the females of pauper with no blue scales are not 

 anderei/iiii^ Riihl., from the Valais, the latter being of a much darker 

 tinge both on upper and underside ; Riihl's " type " is in Florence, in 

 the collection of the R. Stazione d'Entomologia Agraria. I name 

 coMPLETA the form of the male with a distinct series of submarginal 

 dots on the upperside. 



Scolitantides baton, Brgstr. Very early spring specimens (April) of 

 the first gen. are always extremely small, and have a very white under- 

 side with small black spots and narrow orange band ; the females are 

 abundantly suffused with blue on the upperside, so much so that some 

 are difficult to distinguish from the males (form praecocior, mihi.). 

 Most specimens of the second generation (August) are also extremely 

 small and have an underside colouring which is distinctly brownish 

 (form oBscuRATA, mihi). 



Agriades aragonensis, Vrty., race saxonica, mihi. In the paper in 

 which I separated this species from coridon, Poda [Ann. Soc. Ent. de 

 France, Ixxxiv., p. 517 (1916)] , I pointed out that the large insect from 

 Dresden, Berlin, etc., with very wide black marginal band and a dis- 

 tinct green colouring, instead of a bluish one, seems to belong to the 

 former rather than to the latter. In that paper I used the name viri- 

 descens-viarginata , Tutt, but, on second thoughts, it strikes me that such 

 a compound name is perfect to designate specimens of coridon of any 

 locality, which are slightly green and have a wider black margin, such 

 as are often met with, but that it is quite necessary to distinguish from 

 them the very different German form bearing many characters besides 

 these two. 



Agriades thetis Rott., race etrusca, mihi. First gen. maja, mihi., 

 and second gen. etrusca, mihi.; race inalpina, mihi.; race apenninicola, 

 mihi.; race britannoeum, mihi.; race vectae, mihi. Rottemburg's 

 typical specimens were from Landsberg, on the Warte ; taking the 

 central European race on the whole, it reaches as far south as Pied- 



