IV 



INTRODUCTION. 



DIAGRAM SHOWING PARTS OF A BUTTERFLY. 



EXPLANATION OF FIGURE. 



Papilio cresphontes. 

 F, fore wing; 11, hind wing ; A, antennae ; E, eye ; P, palpi ; t, tongue; 

 fl,fore leg; hi, hind legs ; b, body ; Ab, abdomen ; U, upper border fore 

 wing; Ap, apex ; 0, outer border; L, lower border ; V, upper vein; 1, 

 2, 3, its branches ; I, lower vein ; '1, '2, '3, its branches ; C, central cell; 

 Mv, marginal vein ; 'U, upper border hind wing, '0, outer border ; 'L 

 lower border ; LA, inner angle ; AU, upper angle ; M V., marginal vein ; 

 'V, upper vein; "1, "2, "3, its branches: I', middle vein; '"1, '"2, '"3, 

 its branches ; LV , lower vein ; ch, central cell ; T, tail. 



