2. 



HYPERIA LATREILLEI. 



Fig. 1. The male from the side. </" ( 5 /i)- 



» 2. The maxillipeds from the inner side, tf i 35 ^)- 



» 3. The laminae of the same, tf ( 6 %)- 



» 4. The first pair of peraeopoda. c/ 1 ( 23 /i)- 



» 5. The dactylus of the same pair, tf ( 80 /,). 



» 6. A spine from the metacarpus of the same pair. 



0* ( 160 /,)- 



» 7. The second pair of peraeopoda. cf ( 25 /i)- 



» 8. The dactylus of the same pair, o 71 ( 15 %). 



» 9. The third pair of peraeopoda. o 71 ( i:i /i)- 

 » 10. » fifth » r. » <f ( 13 /j). 



» 11. » seventh» » » a 71 ( 13 /,). 



» 12. The dactylus of the same pair, (f ( 35 /j). 



» 13. The urus. <? («»/,). 



» 14. The first pair of antennae of the female ( ls /i)- 



» 15. The tip of the flagellum of the same pair. 9 



rii)- 



» 16. The second pair of antennae. 9 ( 15 A)- 



» 17. The tip of the flagellum of the same pair. 9 ( 6 %). 



HYPERIA GAUDICHAUDII. 



18. A young male from the side, tf ( 6 /,). 



19. The first pair of peraeopoda. tf ( :i0 /,). 



20. The dactylus of the same pair C' 20 /,). 



21. The second pair of peraeopoda. <^ ( 30 /,). 



22. » third » » » a" ( 16 /j). 



23. » fifth » » » (f ( I6 /i)- 



24. The urus. $ ( 15 /,). 



HYPERIA GALBA. 



25. The male from the side ( 8 /,). 



26. The first pair of peraeopoda. o 71 ( 42 /i)- 



PLATE X. 





Fig. 27. 





» 28. 



)• 



» 29. 





» 30. 





» 31. 





» 32. 



33. 



34. 

 35. 

 36. 

 37. 



38. 

 39. 



40. 

 41. 

 42. 



43. 

 44. 

 45. 

 46. 

 47. 

 48. 

 49. 

 50. 

 51. 

 52. 

 53. 



The metacarpus and dactylus of the same pair. 



cf ( 65 A)- 



The second pair of peraeopoda. cf* ( 42 /i)- 



The dactylus of the same pair, tf ( 125 /i)- 



The third pair of peraeopoda. o* ( 16 /i)- 



» sixth » » » $ ( l %). 



The urus. 9 (>%). 



HYPERIA SPINIGERA, <?. 



The animal from the side ( 7 /i)- 



The first pair of peraeopoda ( 5 %). 



The dactylus of the same pair ( 15 %). 



The second pair of peraepoda C 3 /i)- 



Coupling spines from the first pair of pleo- 



poda ( 40 %). 



Cleft bristle from the same pair ( 200 /i). 



The urus |(i*/J. 



HYPERIA FABREI, &. 



The animal from the side ( 14 /i)- 



The first pair of antennae ( 45 /i)- 



The first and second joints of the flagellum 



of the same pair ( 180 /j). 



The second pair of antennae ( 45 /j)- 



The first pair of peraeopoda ( 60 /i). 



The dactylus of the same pair ( ,50 /i). 



The second pair of peraeopoda ( 60 /,). 



The third » » » ( 55 / t )- 



The fifth » » » («/,)• 



The sixth » » » ( 45 /,)- 



The seventh » » » ( 45 /i)- 



The dactylus of the same pair ( 200 /i)- 



The urus ( 45 /,). 



The inner ramus of the first pair of uropoda 



( 10 %)- 



