an unfounded supposition we can guess that these "senninal receptacles" 

 serve for the resorption of excessive spermatozoids and functionally 

 replace the ductus g enito -intestinalis . An indication of this is the fact 

 that their location corresponds to the place where the ductus g enito - 

 intestinalis is located among more highly organized forms. 



Fig. 269. Linguadactyla molvae 

 Brinkmann, middle part of the 

 body, semi-schematically, of 

 the adult worm from the gills of 

 Molva dipterygia Sm. from 

 the Norwegian Sea near the 

 Island of Sere. 



OMfir^ 



Fig. 270. Linguadactyla molvae 

 Brinkmann, cross section through 

 the "seminal receptacles. " Worm 

 from the gills of Molva dipterygia Sm. 

 from the Norwegian Sea near the 

 Island of Sere. 



0.1 tin 



Fig. 271. Linguadactyla molvae Brinkmann, cross section in the region 

 of the uterus in the adult worm. The shells of the egg are shown in 

 black. The worm is from the gills of Molva dipterygia Sm. from the 

 Norwegian Sea near the Island of Sere. 



Finally, as a third characteristic which distinguishes L. 

 molvae alone from the rest of the Dactylogyridae is the presence of a 

 real uterus though it is very short and contains only one egg. In such a 

 fashion, mature individuals of L. molvae can have two eggs in their 



354 



420 



