( 



) 



achieves her ends, and from which occasionally some nascent 

 species, the outcome of submerged and slaughtered millions, 

 arises, endowed with vigour enough to seize and hold a place 

 in the select company of the fit ones who survive. 



APPENDIX. 



Table I (p. Ixxxviii). 



Regularity of development of summer pupse. 



PROC. ENT. SOC. LOND., V. 1905. 



