DOHSAL ViCVf 



Ver^rPAL Vfsw 



Qui 



Otrarian Tubes-^^<:%^i,?M^ OvatianTubes- 



ColoT 

 Figs. 1 and 2.— Rough dissection of a silkworm moth (Bombux muH). 



*■ ALIMENTARY CANAL---' 



Fig. 3.— Section through full-grown mulberry silkworm. 



