PROBABLE RECIPROCAL MIMICRY 197 



differences between L. californica and its southern 

 form bredom which promote a likeness to lorquini. 

 If these are not mere coincidences, we can hardly 

 escape the conclusion that there is Reciprocal 

 Mimicry (Diaposematism) between californica and 

 bredom. 



1. The wings of both sexes of californica are 

 more rounded than those of the males of bredowi, 

 in this respect resembling both sexes of lorquini. 

 The fact that the southern females have rounded 

 wings may indicate that this character is ances- 

 tral in both sexes, the males alone having been 

 modified in Mimicry of Adelpha. But it is a 

 probable hypothesis that the presence of lorquini 

 has prevented this mimetic feature from passing 

 northward into the males of californica. It does 

 pass far beyond Adelpha in the northernmost 

 part of the range of bredowi in Arizona. 



2. The fulvous marking at the anal angle of 

 the hind wing which forms so characteristic 

 a feature of bredowi, is greatly reduced in cali- 

 fornica, approximating to lorquini, which in this 

 respect may be advancing to meet its model 

 (see p. 196). 



3. The following points concern the band cross- 

 ing the fore wing. Owing to the small size of 

 the last spot in californica and the different direc- 

 tion of the spot next to it, the junction between 

 the bands of fore and hind wing forms a step-like 

 break in californica, whereas in bredom the bands 

 tend to be continuous, approximating more closely 



