PLATE II. 



FIG. 10. Pomporhynchus titrlilnrllu. Dies., complete male ; ex Balnunoptem lorcalla : fi, rostellum ; 6, head, 

 bearing large hooks ; c, neck ; d, d', testes ; e, prostatic glands ; /, cirrus ; ;/, bursal sac ; 

 ;/', sac partially protruded. 



FIG. 11. Corynosoma h/iiinini/i, v. Linst., male; ex Leptonychotes tw<ltl<-lli : it-//, as in Fig. 10; It, It', 

 spines on skin of body. 



FIG. 12. Corynosoma IKIIIKII/II/, v. Linst.; larval stage; ex Tinnntiitu bmniccJiit : n-ij, as in Fig. 10. 

 Enlarged 43 diameters. 



Fie;. 13. EcMnorhynchus cmiqibrHi, Leiper and Atkinson, male; ex Trcm<itumus bcrjiucchti : a-ij, as in 

 Fig. 10. ; /, /', lernnisci. 



FIG. 14. EchinorhyncJius di-brnltuml, Leiper and Atkinson, male; ex Treinatoums h-rnaccltii : a-/j, as in 

 Fig. 10 ; /, I, lemnisci. 



FK;. 15. Echinorhynchus rennicld, Leiper and Atkinson, male ; ex Trematomus Icrnucchii : a-ij, as in 

 Fig. 10 ; /, /', lemnisci. 



