10 Dr. T. A. Chapman on 



experience, to recapitulate our previous knowledge of E. 

 stygne as a Spanish species. 



I found in 1902 a very large and brightly-coloured race 

 of stygne at Bejar, which I named bcjarcnsis* and ex- 

 hibited to the Society on Nov. 5th. At the same meeting f 

 Mrs. Nichoil exhibited a large and small form of stygne 

 from the Picos de Europa. Of the large form which is no 

 doubt identical with palarica, there were only two poor 

 specimens, and all the evidence went to show they were a 

 form of stygne, but coming from the same locality as a 

 small form, it added an important item of interest to the 

 species. 



In the following year, I took at Canales de la Sierra a 

 fairly large form of stygne, associated mimetically with a 

 small form of E. evicts, nearly, if not absolutely identical 

 with Zapater's evias, var. hispanica, so I gave the same 

 varietal name to the form of stygne. These facts are 

 reported in the Proc. Ent. Soc. 1903, pp. xlv et seq. 



Still later the President enabled me to show the Society 

 (Proc. 1904, p. xlvi) two Erebias from the Guadarrama, 

 which confirmed the existence of stygne there, and also 

 showed that it was there accompanied by a specially 

 modified form of E. evias. 



It further happens that E. evias accompanied the small 

 stygne taken by Mrs. Nicholl at the Picos, though this had 

 not been recorded when I examined the specimens with a 

 view to the present report. 



All the forms of stygne so far known from Spain there- 

 fore seemed to be no doubt varieties of that species, some 

 of them modified to agree with E. evias. There was 

 nothing in any of the forms that did not appear to be well 

 within the limits of variation. 



Mrs. Nicholl has an interesting note on the stygne of the 

 Picos in Ent. Record, vol. xvi, p. 48. I may quote some 

 items of this, as I cannot find any details of Mrs. Nicholl's 

 observations on the Picos Erebias in the Society's Trans- 

 actions. 



July 10th. " Encamped at a height of nearly 5000 ft. on 

 the southern face of the chain, and found the mountain 

 pastures just above this level, swarming with E. stygne. 

 Both sexes were out and in good order, though some of 

 the males were slightly worn. I caught a good many 

 and kept a few ; they were quite typical specimens, per- 

 * Proc. Ent. Soc. 1902, p. xxxvi. f 1. c, p. xxxv. 



