THE MOTHER BUTTERFLY. I 



Jussieu, had she not been tutored by a far highei 

 AUTHORITY. 



This display of instinct would seem far less wonderful 

 did the mother butterfly herself feed on the plant she 

 commits her eggs to. In that case, her choice might 

 have appeared as the result of personal experience of 

 eome peculiar benefit or pleasure derived from the plant, 

 and then this sentiment might have become hereditary ; 

 jnst as, for example, the acquired taste for game is 

 hereditary with sporting dogs. Whereas the fact is, 

 that a butterfly only occasionally, and as a matter of 

 accident rather than rule, derives her own nectareous 

 food from the flowers of the plant, whose leaves nourish 

 her caterpillar progeny. So that this, as well as num- 

 berless other phenomena of instinct, remains a mystery 

 to be admired, but not explained by any ordinary rule 

 of cause and effect. 



Having thus efficiently provided, as far as board and 

 lodging are concerned, for the welfare of the future 

 brood, the mother seems to consider them settled for 

 life, takes no further care of them, nor even awaits the 

 opening of the sculptured caskets that contain their 

 tiny life-germs ; but, trusting them to the sun's warmth 

 for their hatching, and then to their own hungry little 

 instincts to teach them good use of the food placed 

 within their reach, she sees them no more. 



But though abandoning her offspring to fate in thia 

 manner, it must not be imagined that the butterfly 

 mother takes her pattern of maternity from certain 



