of the Fishery Board for Scotland. 



119 



Dichelestium sturionis, Hermann. 



Fig. 17. Antennule, female . . . . • x 46. 



Fig. 18. Antenna, female . . . . . x 17. 



Fig. 19. Antenna, male . . . . . . x 17. 



Fig. 20. Mandible . . . . . . x 60. 



Fig. 21. Maxilla . . . . . . . x 46. 



Fig. 22. First maxilliped, female . . . . x 23. 



Fig. 23. Second maxilliped, female . . . . x 15. 



Fig. 24. Foot of fourth pair, female . . . . x 28. 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



PLATE VI. 



Dichelestium sturionis, Herm. 



1. Female, dorsal view 



2. Male, dorsal view 



3. Foot of first pair, female 



4. Foot of second pair, female 



5. Foot of second pair, male 



6. Foot of fourth pair, male 



46. 

 46. 



46. 



46. 



46. 



24. 



Chondracanthus depressus, sp. 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



Fig. 

 Fig. 

 Fig. 

 Fig. 



7. Female, dorsal view 



8. Posterior appendages of same 



9. Antenmile 



10. Mandible. 



11. First maxilliped . 



12. Foot of first pair 



13. Foot of second pair 



Chondracanthtis depressus, var. oblongus. 



14. 

 15. 

 16. 

 17. 



Female, dorsal view 

 Antennule 

 Foot of first pair 

 Foot of second pair 



Lemece lusci, Bassett- Smith. 

 Fig. 18. Gadus lucus with parasite in situ 



Trematoda. 



Fig. 19. Phyllocotyle gurnardi, v. Ben. and Hesse 

 Fig. 20. Extremity of peduncle of the same 

 Fig. 21. Microcotyle donavani, v. Ben. and Hesse 

 Fig. 22. The same — one of the posterior suckers 

 Fig. 23. Microcotyle labracis, v. Ben. and Hesse 

 Fig. 24. Diplectanum cequans, Diesing . 



Diam. 

 x 12. 

 enlarged, 

 x 60. 

 x 260. 

 x 260. 

 x 55. 

 x 55. 



x 12. 



x 60. 



x 55. 



x 55. 



reduced. 



x 45. 



x 260. 



x 27. 



x 390. 



x 18. 



x 45. 



