216 Mr. 8. B. J. Skertchly on the 
| a | $2 | 
= > roan) io = 
= 2 oo |) 2 | &p 
N s|sa|/sadl/e/e S| 
ame, com Gort | cet ee | pees ie anaes 
5 2 | = Al} as lata m — a 
° S 3) | ® 2) O:r = 5) 
Sea elie eee eee ee bectine mec |= 
IFlola |» |nla Sel San 
ee es ee eee ———_———— 
Vanessa urtic# .......... 3 | Q — = — | 
| 
Anthocharis cardamines ... gd | 92 — | — |-—'| 
Aqiabiratiris’ 220 sees es: $ | 2 ath = rae 
| } 
Pieris, Papesy) ciz¥/vis «2/2 oe." 2 lode) — he — |—) 
| | 
; . | Jel 
Hestia leuconoé ........ (Pe; so} — i — | 
Ornithoptera Brookeana ..| 2 | @ — | : — }|-— 
| 
| | 
If we take species in which the brilliancy or beauty resides 
in different sexes, we find an equal dissimilarity in the court- 
ship :— 
ents 4 for | 3| 2 | 
— bright. | brivht. [dell dc Pee s Z | 
O. Brookeana ........ _- we 3 | —|—- a ee | 
A. cardamines ........ _— ae re eds 3 | jo) | 
J: Shia Ake eee: — — — 16} Q | 
ea yanirays 0. see ee eee —- | — _— @ 1d? | 
Now, according to the theory of sexual selection, 
1. In ZH. janira the female has become bright because 
the male chose her. 
2. In A. cardamines the male has become bright be- 
cause the female chose him. 
So far all is clear: in both cases the bright sex was the wooer 
and the dull one the chooser, and we often see the chooser 
refuse the wooer, thus exercising a selection. The wooed is 
