of the Fishery Board for Scotland. 



91 



EXPLANATION OF THE PLATES. 

 PLATE III. 



Hatschekia cornigera, sp. n. 



Fig. 1. Female, dorsal view, . . - . 



Fig. 2. Female, side view of cephalothorax, 



Fig. 3. One of the anteunules, . . - - 



Fig. 4. One of the antennre, . . . - 



Fig. 5. One of the maxillipeds, ... - 



Fig. 6. Foot of first pair, - - - - - 



Fig. 7. Foot of second pair, .... 



Chondracanthtts Williamsoni, sp. n. 



Fig. 8. Feraale, dorsal view (adult specimen), 

 Fig. 9. Female, dorsal view (specimen scarcely matiire), - 

 Fig. 10. One of the anteunules, . - . - 



Fig. 11. One of the antenuiTj, .... 



Fig. 12. Mandible and maxilla, . . - - 



Fig. 13. First niaxilliped, - - - - - 



Fig. 14. Second niaxilliped, . . . - 



Fig. 15. One of the first pair of thoracic appendages. 

 Fig. 16. One of the second pair, . . - - 



Fig. 17. Male, side view, . . - . - 



Diam. 



12 



13^ 



72 



72 



200 



l44 



144 



36 



36 



120 



Pandarus hicolor, (?) var. 



Fig. 18. Female, dorsal view, 



12 



Pandarus hicolor. 



Fig. 19. Female, dorsal view, 



12 



PLATE IV. 



Fig. 1. Ecliinorhynclius agilis, 'S\\di(A^\ii, • - - • - x 15 



Fig. 2. Proboscis of the same, - - - - - - x 136 



Fig. 3. Echinorhynchus proteus, Westrumb, - - - - x 12^ 



Fig. 4. Proboscis of the same, - - - - - - x 72 



I'lg. 5. Echinorhynchus, sp. from a common trout, - - - x 10 



Fig. 6. Proboscis of the same (6a a spine more enlarged), - - x 50 



Fig. 7. Echinorhynchus acus, Rudolphi, - - - - - x 11 



Fig. 8. Proboscis of the same, - - - - - - x 96 



Fig. 9. Tetrarhynchus megacephahis, 'RndolTphi (Scolex), - - x 5 



Fig. 10. A proboscis of the same, - - - - - - x 28 



Fig. 11. Tetrarhynchus tetrabothrius, van Beneden, - - - x 24 



Fig. 12. Octobothrium Sybillce, n. s\)., • - - - - x 70 



PLATE V. 



Fig. 1 . Phyllobothrium lactuca, van Beneden, - - - - x 48 



Fig. 2. Acanthobothrimn coronatu7n, van Beneden, - - - x 48 



Fig. 3. Bothriocephalus punctatus, Rudolphi, - - - - x 25 



Fig. 4. Bothriocephalus proboscideus, Rudolphi, - - - - x 48 



Fig. 5. Ancistrocephalus microcephalus, Rudolphi, - - - x 36 



Fig. 6. Diphyllobothrium stemmacephalum, Cobbold, - - - x 60 



Fig. 7. Tetrarhynchus minutus, van ^i'neden, - - - - x 72 



Fig. 8. Portion of a proboscis of the same, near proximal end, - - x 615 



Fig. 9. Pyllobothrium thridax, van Beneden, - - - - x 72 



Fig. 10. Tcenia sp. from a common Eel, - - - - - x 48 



Fig. 11. Head of the same seen from above, - - - - x 108 



Fig. 12. Ai\ ovum of Distomum cestoides, van Beneden, - - - x 410 



Fig. 13. (?) Prosthecosacter sp., posterior end of ^ with larvae in situ, - x 74 



Fig. 13. a. b. c, Three larvae of the same removed, - - - x 340 



