Dl \ II "I" 



-- C 



i 



through left hind wing in larva of Pieris rapce, the section being a 

 one of the caterpillar; the base of the wing is anterior in position, and the apex 

 : ior. c, cuticulu; /;, hypodermis; t, trachea; w, developing wing. After MAYER. 



PIG. 226. Internal transformations of Sphinx ligustri. A, larva; B, pupa; C, moth; 

 a; an, antenna; b, brain; /, fore intestine; fr, food reservoir; h, hind intestine; ht, 

 m, mid intestine; mt, Malpighian tubes; p, proboscis; s, suboesophageal ganglion; 

 t, testis; tg, thoracic ganglia; v, ventral nerve cord. After NEWPORT. 



