2. PLATE X. 



HYPERIA LATREILLEI. 



Fig. 1. The male from the side. o^ ('Vi)- 



» 2. The maxillipeds from the inner side. o^ ('''/i)- 



» 3. The laminse of the same. o^ C'"/])- 



» 4. The first pair of perteopoda. ef ("Vi)- 



» 5. The dactylus of the same pair. o^ (^^/i)- 



« 6. A spine from the metacarpus of tho same pair. 



« 7. The second pair of peraeopoda. ef ("A)- 



» 8. The daotylus of the same pair. o^ (''"/i)- 



n 9. The third pair of perffiopoda. 0^ (''Vi)- 



)> 10. >> lifth >. >= » c/ ('V,). 



» 11. » seventh » » » o^ ('^/,). 



» 12. The dactylus of the same pair. o^ (^''/V)- 



» 13. The urus. d" ('",,j. 



» 14. The first pair of antennas of the femaie (''Vi)- 



» 15. The tip of the fiaseliuui ot the same pair. 9 



)> lö. The second pair of antennas. $ ('''/V)- 



» 17. The tip of the flagellum of the same pair. $ (""/i). 



HYPERIA GAUDICHAUDII. 



18. A young male from the side. (f (^/i)- 



19. The first pair of perasopoda. (f (^"Z,). 



20. The dactylus of the same pair ('-'/i)- 



21. The second pair of peraeopoda. (f (^'' ,j. 



22. » third » » » a" CVi)- 



23. . tifth - » » >, ^ (i6/j). 



24. The urus. $ (i5/,)- 



HYPERIA GALBA. 



25. The raale from the side (V,). 



26. The first pair of peraeopoda. c^ (*7i)- 



Fig. 27. The metacarpus and dactylus of the same pair. 



» 28. The second pair of perasopoda. ef (*7i)- 



» 29. The dactylus of the same pair. ef ('^''/'i)- 



» 30. The third pair of peraeopoda. o^ ('Vi)- 



.. 31. » sixtii » » » $ ev,). 



» 32. The urus. ? ('%\). 



HYPERIA SPINIGERA, ef. 



» 33. The animai from the side (Vi)- 



» 34. The first pair of pera;opoda (•''"/i). 



« 35. The dactylus of the same pair ('^%). 



» 36. The second pair of peraspoda (''Vi)- 



» 37. Coupling spines from the first pair of pleo- 



poda (*»%). 



» 38. Cleft bristle from the same pair (-""/,)• 



» 39. The urus ('Vj). 



HYPERIA FABREI, <f. 



» 40. The animai from the side ('Vi)- 



» 41. The first pair of antennae ('Vi)- 



» 42. The first and second joints of the flagellum 



of the same pair (^*''/,). 



» 43. The second pair of antennse (''Vi)- 



» 44. The first pair of perasopoda (*Vi)- 



» 45. The dactylus of the same pair ('-'Vi)- 



n 46. The second pair of peraeopoda (^"/j). 



» 47. The third » » « (äs/,). 



» 48. The fifth » >) ), («/,). 



» 49. The sixth >, » » (*Vi)- 



» 50. The seventh » » « («/,)• 



>) 51. The dactylus of the same pair (207,). 



» 52. The urus («/,)- 



» 53. The inner ramus of the first pair of urOpoda 



