A-D-DinctopI„jma renale (A-Cross section through ^posterior pan"' l:;-™^,,,^-'^'^ orrtract" r°'„m^^^^^^ 



A-D—Dioctophuma renaU (A— ijross secuou ^'"""s.. i"--- ■"• .-_ p„ithelium and protractor muscle; u— L.ross seiv. 

 o£ male showing spicular pouch, mtest.no and vas deferens B ^^"^«",'^,'"„ junction of rectum and vas deferen 



Cross section through cloaca and spicule near its entrance into 



s). E-P — Tripyla 



114 



