280 



Part III. — Nineteenth Annual Report 



Portunus arcuatus, Leach. 



A specimen of this Crab was obtained in the stomach of a Cod captured 

 in the salmon-nets at the Bay of Nigg on June 13th, 1900. 



EXPLANATION OF THE PLATES. 



PLATE XVII. 



(?) Rhincalanus gigas, G. S. Brady. 



Fig. 1. Foot of fifth pair, female 



Fig. 2. Foot of fifth pair, male, slightly immature 



Fig. 3. Abdomen and last thoracic segment, female 



Fig. 4. Abdomen and last thoracic segment, male 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



Fig. 

 Fig. 

 Fig. 

 Fig. 



Ficr. 



Cyclopina longicaudata, T. Scott (sp. n.). 



Female, dorsal view 



One of the female antennules 



One of the antennae 



One of the mandibles 



One of the maxilla? 



One of the first maxillipedes 



One of the second maxillipedes 



Foot of first pair 



Foot of fourth pair 



Foot of fifth pair 



Hesse. 



Fig. 15. 



Fig. 16. 



Fig. 17. 



Fig. 18. 



Fig. 19. 



Fig. 20. 



Fig. 21. 



Fig. 22. 



Fig. 23. 



Fig. 24. 



Fig. 25. 



Fig. 26. 



Fig. 27. 



28. 

 29. 

 30. 

 31. 

 32. 

 33. 

 34. 



35. 

 36. 

 37. 

 38. 

 39. 



BotryllophUus (?) ruber 



Female, dorsal view 



Male, dorsal view 



One of the female antennules 



One of the female antenna? 



One of the first maxillipedes, female 



One of the second maxillipedes, female 



Foot of the first pair, female 



Foot of the third pair, female . 



Foot of the fourth pair, female . 



One of the male antennules 



Foot of the first pair, male 



Foot of the third pair, male 



Foot of the fourth pair, male 



(?) Enteropsis vararensis, T. Scott (sp. n. 



Female, side view 



One of the female antennules 



One of the female antenna? 



One of the mandibles 



One of the maxilla? 



One of the maxillipedes . 



Foot of the third pair 



Nicothoe astaci, Aud. and M.-Edw 



One of the female antennules 



One of the mandibles 



One of the maxilla? 



One of the first maxillipedes 



Abdomen of the female . 



Diam. 



X 



51. 



X 



51. 



X 



25. 



X 



38. 



X 



51. 



X 



63. 



X 



63. 



X 



95. 



X 



63. 



X 



63. 



X 



63. 



X 



63. 



X 



63. 



X 



95. 



X 



46. 



X 



72. 



X 



96. 



X 



145. 



X 



145. 



X 



145. 



X 



145. 



X 



145. 



X 



145. 



X 



145. 



X 



160. 



X 



72. 



x 160. 



X 



61. 



X 



580. 



X 



290. 



X 



580. 



X 



580. 



X 



580. 



X 



195. 



X 



190. 



X 



380. 



X 



380. 



X 



253. 



X 



80. 



