Xo. 5 



meserve: monogenetic trematodes 



75 



EXPLANATION OF PLATES 



All figures were drawn with the aid of a camera lucida. The scale is indicated 

 in the drawings. Abbreviations are as follows: 



d vas deferens 



c cirrus 



e excretory bladder 



ep excretory pore 



ga genital atrium 



gc giant cell 



gp genital pore 



gic genitointestinal canal 



i intestine 



in mouth 



mg shell gland 



od oviduct 



ot ootype 



ov ovary 



p penis 



pr prostate gland 



pn prostatic reservoir 



sr seminal receptacle 



t testis 



Mf uterus 



V vagina 



vll vitelline gland 



vr vitelline reser\-oir 



V5 vaginal spine 



X structure of problematic 

 nature 



vd common yolk duct 



g gland of Goto 



