2. PLATE XL 



HYPERIA DYSSCHISTUS, d\ 



Fig. 1. The first pair of perasopoda ( 180 /i). 

 » 2. The second » » » ( 18 %)- 



HYPERIA PROMONTORII, o*. 



3. The animal from the side ( 15 /i)- 



4. The first pair of perasopoda ( no /i). 



5. The dactylus of the same pair ( 220 /i )• 



6. The second pair of perasopoda ( 110 /i). 



7. The fourth » » » ( 45 /,). 



8. The dactylus of the same pair ( 120 /i). 



9. The fifth pair of perasopoda ( 45 /i)- 



10. Coupling spine from the first pair of pleopoda 



r%)- . 



11. Cleft bristle » » » » » » 



( 200 /i)- 



12. The urus (*%). 



13. The inner ramus of the last pair of uropoda 



HYPERIA CRUCIPES. 



female from the side ( 20 /i). 

 first pair of antennas. 9 ( 10 %)- 

 second » » » 9 ( 10 %). 



first » » perasopoda. o* ( 75 /i)- 

 dactylus of the same pair, d* ( 200 /i). 

 second pair of perasopoda. a 71 ( 73 /i)- 

 third » » » 9 ( 45 /,). 



dactylus of the same pair, tf ( l7;i /i)- 

 sixth pair of perasopoda. o" ( 45 /j). 

 dactylus of the same pair, tf ( 200 /i)- 

 seventh pair of perasopoda. 9 ( 40 /i)- 

 dactylus of the same pair. 9 ( 250 /i)- 



»> 14. 



The 



» 15. 



The 



» 16. 



The 



» 17. 



The 



» 18. 



The 



» 19. 



The 



» 20. 



The 



» 21. 



The 



» 22. 



The 



» 23. 



The 



» 24. 



The 



» 25. 



The 



HYPERIA LATISSIMA, 9. 



animal from the side. ( l5 /i)- 



first pair of antennas. ( 50 /i). 



olfactory hair from the same pair. ('^/j). 



second pair of antennas ( 5 %). 



first pair of perasopoda ( 80 /i)- 



dactylus of the same pair ( 15 %)- 



third pair of perasopoda (* 5 / 1 ). 



dactylus of the same pair ( 40 %). 



sixth pair of perasopoda ( 5 %). 



dactylus of the same pair ( I30 /i). 



urus ( 4 V,)- 



HYPERIA THORACICA, young male. 



37. The animal from the side ( 30 /i). 



38. The first pair of perasopoda ( I50 /,). 



39. » second » » » ( wo /i)- 



40. » third » » » ( 90 / 1 ). 



41. The urus ( 80 /i). 



Fig 



26. 



The 



» 



27. 



The 



>j 



28. 



An 



» 



29. 



The 



» 



30. 



The 



» 



31. 



The 



» 



32. 



The 



» 



33. 



The 



» 



34. 



The 



» 



35. 



The 



» 



36. 



The 



HYPERIELLA ANTARCTICA, d*. 



42. 

 43. 

 44. 

 45. 

 46. 

 47. 

 48. 



The first pair of antennas ( 20 /j). 



» second » » » ( 20 /i)- 



» first » » perasopoda ( 40 /,). 

 The dactylus of the same pair ( 16 %). 

 The second pair of perasopoda ( 40 /i). 



» third » » » ( 20 / 1 ). 



» fifth >, » » (w/j). 



49. The dactylus of the same pair ( 60 /,). 



50. The sixth pair of perasopoda ( 2 %). 



51. The urus ( 15 /,). 



