EXPLANATION OF PLATE V. 



Fig. 1. EcMnorhynchua agilis Rudolphi. Sketch of living specimen, male, flattened 

 under compressor, enlarged 10 diameters. 



Fig. la. Another specimen, male, natural size. 



Fig. 2. Sketch of living specimen, female, flattened under compressor, enlarged 10 

 diameters. 



Fig. 2a. Another specimen, female, natural size 



Fig. 2b. Ova, enlarged 200 diameters. 



Fig. 3. Outline of specimen with proboscis retracted, enlarged 25 diameters. 



Fig. 4. Outline of male, from C. obscurus, enlarged 15 diameters. 



Fig. 5. Posterior extremity of another male, showing bursa everted, enlarged 15 

 diameters. 



Fig. C>. Hooks of proboscis ; rt,from first row; &, from second row; c, from third row; 

 enlarged 150 diameters. 



Fig. 7. Echinorhynchvs acus Rudolphi ; outline of male, enlarged 20 diameters. 



Fig. 8. Male and female alcoholic specimens, natural size. 



Figs. & 10. Specimens in sea-water, enlarged 2 diameters. 



Fig. 11. Specimeu shown in Fig. 10, after lying some time in fresh water, enlarged 

 2 diameters. 



Fig. 12. Outline showing proboscis partly retracted, retractor muscles and lemnisci, 

 enlarged 15 diameters. 



Fig. 1:5. Anterior end of female, showing protruded proboscis and ova, enlarged 15 

 diameters. 



Fig. 14. Tamia dilatata sp. nov. Head and anterior part of neck, enlarged 18 diame- 

 ters. 



Fig. 15. Portion of neck, showing dilated folds, enlarged 18 diameters. 



Fig. 16. Outline of posterior segments, enlarged 4 diameters. 



Fig. 17. Bhynchobothrium tenuicolle Rudolphi. Outline of strobile, enlarged 2 diame- 

 ters. 



Fig. 18. Head and neck of same, enlarged HO diameters. 



Fig. 18a. 'Portion of proboscis, enlarged 350 diameters. 



Fig. 18&. Hooks near apex of prohoscis, enlarged 350 diameters. 

 Figures 1, la, 2, 2a, 2b, 7, 9, 10, 11, 14,15, 10 from life; others from alcoholic and 



mounted specimens. 

 All figures made by Mrs. Edwin Linton. 



508 [5G] 



