some new forms of Parnassius. 355 



The comparison of the races presented on Plate LII shows 

 clearly the difference in shape of the wings of the various 

 acdestis forms. Priamus in this respect rather closely 

 resembles the genuine acdestis, though the apex of the 

 primaries is more pointed and sharp. The antemarginal 

 markings are very inconspicuous, but run distinctly almost 

 parallel with and close to the margin as in acdestis. Be- 

 sides the type specimens of Bryk, now in my collection 

 and figured on Plate LII, I have two other examples from 

 the vicinity of Hantengri caught on the Russian border. 

 The male has the ocelli more distinctly joined by a bar as 

 in latonius, and the female is characterised by an absolute 

 lack of submarginal markings on the secondaries. 



The pouches of the females acdestis, rupshuana ladakensis 

 and latonius are identical, the corneous bag of the Tian 

 Shan race being slightly different in structure, 



Parnassius delphius, Ev. 



I have to add five new local races to the numerous 

 already known ones of this extremely variable Central- 

 Asiatic species. 



Parnassius delphius, subsp. nicevillei, nov. (Plate LIII, 



fig. i,c?; 2, ?.) 



One may describe this race from Burzil Pass, Kashmir, 

 as an intermediate link connecting the subspecies atkinsoni 

 and stoliczkanus, though the affiiiity with the former is 

 much closer. Its size is somewhat smaller than that of 

 atkinsoni. The chief difference consists in the reduction 

 of the dark markings, especially in the discal part of the 

 forewing. On the hindwing the central red ocellus is 

 bright and large, surrounded by a very narrow black ring. 

 The upper ocellus in interspace 7 is reduced in size, rarely 

 red-centred and often almost obsolete. These characters 

 of the formation of ocelH on the hindwing recall subsp. 

 stoliczkanus. The submarginal row of blue ocelli is in a 

 darker submarginal zone than in atkinsoni, the light inter- 

 spaces being even narrower or entirely obliterated. I 

 have obtained about seventy specimens of this new race, 

 and might say that the described characters are rather 

 constant. There were two conspicuous aberrations which 

 seem to be very instructive from the phylogenetic view- 

 point. One of them has not the usual even row of five 



