of the Fishery Board jor Scotland. 



91 



EXPLANATION OF THE PLATES. 

 PLATE III. 



Hatschekia cornigera, sp. n. Diam. 



Fig. 1. Female, dorsal view, - - - - - - x 40 



Fig. 2. Female, side view ofcephalothorax, - - - - x 80 



Fig. 3. One of the antemmles, - - - - - - x 410 



Fig. 4. One of the antennae, - - - - - - x 410 



Fig. 5. One of the maxillipeds, - - - - * - - x 550 



Fig. 6. Foot of first pair, - - - - - - - x 550 



Fig. 7. Foot of second pair, - - - - - - x 410 



Chondracanthus Williamsoni, sp. n. 



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

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

 Fig. 10. One of the antemmles, - 

 Fig. 11. One of the antennae, 



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

 Fig. 13. First maxilliped, - 

 Fig. 14. Second maxilliped, - 

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

 Fig. 16. One of the second pair, - 

 Fig. 17. Male, side view, - 



Pandarus bicolor, (?) var. 

 Fig. 18. Female, dorsal view, - - - - - - x 12 



Pandarus bicolor. 



Fig. 19. Female, dorsal view, - - - - - - x 12 



PLATE IV. 



Fig. 1. Ecliinorhynchus agilis, Rudolphi, 



Fig. 2. Proboscis of the same, .... 



Fig. 3. Ecliinorhynchus proteus, Westrumb, 



Fig. 4. Proboscis of the same, .... 



Fig. 5. Echinorhynchus, sp. from a common trout, 



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



Fig. 7. Ecliinorhynchus acus, Rudolphi, - 



Fig. 8. Proboscis of the same, .... 



Fig. 9. Tetrarhynchus megacephahis, Rudolphi (Scolex), 



Fig. 10. A proboscis of the same, - 



Fig. 11. Tetrarhynchus tetrabothrius, van Beneden, 



Fig. 12. Octobothrium Sybillai, n. sp., 



PLATE V. 



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



Fig. 2. Acanthobothrium coronatum, van Beneden, - - x 48 



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



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



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



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



Fig. 7. Tetrarhynchus minutus, van Beneden, - - - - x 72 



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



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



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



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



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



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



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



- x 12 



- x 13i 



- x 72 



- x 72 



- x 200 



- x 144 



- x 144 



- x 36 



- x 36 



- x 120 





X 



15 





X 



136 





X 



12* 





X 



72 





X 



10 





X 



50 





X 



11 





X 



96 





X 



5 





X 



28 





X 



24 





X 



70 



