of the Fishery Board Jor 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 an tommies, 



Fig. 4. One of the antennae, 



Fig. 5. One of the maxillipeds, 



Fig. 6. Foot of first pair, - 



Fig. 7. Foot of second pair, 



Chondracanthus Williamsoiii, sp. n 



Diam. 



X 



40 



X 



80 



X 



410 



X 



410 



X 



550 



X 



550 



X 



410 



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



Fig. 9. Female, dorsal view (specimen scarcely mature), 



Fig. 10. One of the antennules, 



Fig. 11. One of the antennas, 



Fig. 12. Mandible and maxilla, 



Fig. 13. First maxilliped, .... 



Fig. 14. Second maxilliped, 



Fig. 1 5. One of the first pair of thoracic appendages, 



Fig. 16. One of the second pair, 



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



X 



12 



X 



13i 



X 



72 



X 



72 



X 



200 



X 



144 



X 



144 



X 



36 



X 



36 



X 



120 



Pandarus bicolor, (?) var. 



Fig. 18. Female, dorsal view, 



12 



Pandarus bicolor, 



Fig. 19. Female, dorsal view, 



12 



PLATE IV. 



Fig. 



1 



Fig. 



o 



Fig. 



3 



Fig. 



4 



Fig. 



5 



Fig. 



6 



Fig. 



7 



Fig. 



8 



Fig. 



9 



Fig. 



10 



Fig. 



11 



Fig. 



12 



Echinorhynchus agilis, Rudolphi, 



Proboscis of the same, - 



Echinorhynchus proteus, Westrumb, 



Proboscis of the same, - 



Echinorhynchus, sp. from a common trout, 



Proboscis of the same (6a a spine more enlarged), 



Echinorhynchus acus, Rudolphi, - 



Proboscis of the same, - 



Tetrarhynchus megacephalus, Rudolphi (Scolex), 



A proboscis of the same, - 



Tetrarhynchus tetrabothrius, van Beneden, 



Octobothrium Sybillce, n. sp., 



X 



15 



X 



136 



X 



12| 



X 



72 



X 



10 



X 



50 



X 



11 



X 



96 



X 



5 



X 



28 



X 



24 



X 



70 



PLATE V. 



Phyllobothrium lactuca, van Beneden, 



Acanthobothrium coronatum, van Beneden, 



Bothriocephalic punctatus, Rudolphi, 



Bothriocephalus proboscideus, Rudolphi, - 



Ancistrocephalus microcephalics, Rudolphi, 



Diphyllobothrium stemmacephalum, Cobbold, 



Tetrarhynchus minutus, van Beneden, 



Portion of a proboscis of the same, near proximal 



Pyllobothrium thridax, van Beneden, 



Tamia sp. from a common Eel, 



Head of the same seen from above, 



An ovum of Distomum cestoides, van Beneden, 



(?) Prosthecosacter sp., posterior end of O with larvae 



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



Fig. 



1 



Fig. 



2 



Fig. 



3. 



Fig. 



4. 



Fig. 



5 



Fig. 



6. 



Fig. 



7 



Fig. 



8 



Fig. 



9. 



Fig. 



10 



Fig. 



11 



Fig. 



12 



Fig. 



13. 





x 48 





x 48 





x 25 





x 48 





x 36 





x 60 





x 72 



end, 



x 615 





x 72 





x 48 



. 



x 108 





x 410 



irvae in situ, 



x 74 

 ■ x 340 



