

1 1* 



Pliotos hv] 



,,, , I//, iiaslin 



■n ,.■<■] ^^'° Lack-wincs. 



tlK.^int-lio.':'hufirrgnib is'srini-anualic''' 'nir "low,.,-' n,^'; , J'l'' "■^''T" °'"' •'' "^'".V'"^- "''''-■1' ''^^ "lucli lik.' the n.atuiv form of 

 shows the lacc-like structure. Observe he re. arl able hZk^ h7wht'l''7h-''; " •-"'■'■.*' ^'slu like a .noth, but closer inspectiou 

 eivc uu uiuarKablt hooks by which the fore and hmd wings are locked together for flight. 



475 



