ON 



THE VARIATION OF SPECIES 



WITH 'ESPECIAL REFERENCE TO 



THE IN8ECTA; 



FOLLOWED BY 



AN INQUIRY INTO 



THE NATURE OF GENERA 



BY 

 T. VEENON WOLLASTON, M.A., F.L.S. 



" No compound of this earthly ball 

 Is like another, all in all." 



TENNYSON. 



LONDON: 



JOHN VAN VOORST, PATERNOSTER ROW. 

 1856. 



