Butteo'Jlics of Bulgaria. 187 



Trojan Pass and in the Rosalita Pass north of Kalofer. 

 As far as I can judge from what I saw and heard there 

 is, however, no really Alpine country in the whole range 

 of the Balkans which does not anywhere rise to above 

 about 7000 feet. 



If I am able to revisit the country I should certainly 

 prefer the Southern Rhodope and Macedonia, including 

 Olympus, which, as far as I know, has been explored in 

 recent times by no entomologist, and where a number of 

 southern and eastern species which we did not sec will 

 almost certainly be found. 



There is probably no region in Europe so likely to 

 afford novelties as this, and it would be very interesting 

 to see how far north the species extend which were found 

 on the northern mountains of Greece by Kruper, and 

 which have been described by Staudinger so ably in his 

 work on the Lepidoptera of Greece (Hora^ Soc. Ent. Ross, 

 1870). 



The catalogue of the species found by us, which follows, 

 comprises 121, to which may be added the following 20 

 found in the Balkan and Bulgaria by Haberhauer, and 

 enumerated by Lederer in Wien. Ent. Mon., vol. vii, 

 p. 17— 



Thais i^olyxcna.^ 



Pieris hrassic/v.f 



Lycxna minima^ liylas, tdicanus, corydon.^ 



Thecia spini. 



Satyrus hermione,-f circe, lriscis,-\ adxa, var. corduJa. 



Pararge roxelana. 



Sinlothyrus alciBse, aliliex. 



Syricthus cynarm, alveus, sao. 



Hcsperia lincola, actcon, co'inma.\ 



* His Hitrlmess Prince Ferdinand of Bulgaria discovered this 

 species at Rilo Monastir in April 1900, and lias reared specimens 

 from the egg. The larva feeds on Aridolocliia ixtrviflom. The?e 

 specimens are much smaller and whiter in the ground colour than 

 those from the Balkans. 



t Species so marked have been taken near Sofia by Prof. Baclimet- 

 jew. Since this paper was written Prof. P. Bachmetjew has given 

 me a short catalogue published recently by him in the Society as 

 Entomologica of the Lepidoptera of Sofia and its environs. This 

 contains 72 butterflies, of which T/iuis pulyxena, Pieris hrassicee, 

 Thecia acacia, Li/canui corijdon, Vanessa xanthomelas, V. antiopa, 

 Satyrus liermione, S. hriseis, 8. arethusa, S. statilinus, Epinephile 

 lycaon, Sjnlotliyrvs althea', Syricthns alveus, and Erynnis comma were 

 not taken by us. 



