Plate X. 



D I C L I I ' O P H K A T E T R D N I S . 



Fig. 1. The whole worm viewed from the ventral side. The uterus is greatly 



distended by the numerous eggs which it contains. 

 ,, 2. Surface view of the whole worm, from the ventral side, x 5 diam. 

 ,, 3. Anterior part of the body in profile. 

 ,, 4. Cross-section througli the slender stalk-like portion of the body, x 73 



diam. 



DiCLIDOPHOEA SESSILIS. 



Fig. 5. The whole worm viewed from the ventral side. Nervous system, chiti- 



nous framework of the suckers, and cgg-.shells yellow ; excretory system 



indigo-blue ; muscle of the posterior suckers red. 

 „ 0. Anterior end of the body ; to show the muscular hbres attached to the 



anterior suckers, x 73 diam. 

 ,, 7. (/, hook of the penis a little in profile, h, basal portion of the same 



viewed from the front. IjoUi x 3U5 diam. 

 ,, 8. Ovarian ova near the oviduct end. x 305 diam. 



DiCLIDOPHOEA ELONGATA. 



Fig. 9. The whole worm viewed from the ventral side. Nervous system yellow. 

 ,, 10. (I, hook of the penis a little in profile. //, basal portion of the same 

 viewed from the front. Both x 305 diam. 



