PHRONIMA SEDENTARIA. 



Fig. 1. The first pair of peraeopoda. 9 ( I2 /i)- 

 » 2. The second » » » 9 ( 12 /i)- 



» 3. The fifth » » » 9 (%). 



PHRONIMA SOLITARIA. 



4. The female from the side ( 5 /i)- 



5. The first pair of peraeopoda. 9 ( 25 /x)- 



6. The fifth pair » » ? (»/,). 



7. The urus. $ (2%). 



PHRONIMA SPINOSA. 



female from the side ( 5 /i)- 

 first pair of antennae. 9 ( 45 /i)- 

 first pair of peraeopoda. $ ( 20 /i). 

 second » » » $ ( 20 /i)- 



dactylus of the same pair. 9 ( 300 /i)- 

 fourth pair of peraeopoda. 9 ( I2 A)- 

 dactylus of the same pair. $ ( 130 /i)- 

 fifth pair of peraeopoda. $ ( 12 /i)- 

 sixth » » » 9 ( 12 /,). 



seventh» » » 9 ( 12 /i)- 



urus. 9 (*>/,). 



PHRONIMA ATLANTICA. 



19. The female from the side (%). 



20. A young recently hatched ( 50 / 1 ). 



21. The first pair of antennae. 9 ( 25 /i)- 

 The first pair of peraeopoda. 9 ( 2 %)- 

 The dactylus of the same pair. 9 ( 170 /i)- 

 The fifth pair of peraeopoda. 9 ( 10 /i)- 

 The seventh)) » » 9 p/,). 

 The urus. 9 ( 2 %). 



PHRONIMA COLLETTI. 



27. The male from the side ( 6 /,). 



28. The first pair of antennae, tf ( 15 /i)- 



29. The second)) » » tf ( 25 /,). 



30. The labrum. <? ( 50 /j). 



31. The right mandible, tf («•/,). 



8. 



The 



9. 



The 



10. 



The 



11. 



The 



12. 



The 



13. 



The 



14. 



The 



15. 



The 



16. 



The 



17. 



The 



18. 



The 



» 



22. 



» 



23. 



» 



24. 



» 



25. 



» 



26. 



PLATE XVI. 





Fig 



.32. 





» 



33. 





» 



34. 





» 



35. 





» 



36. 





» 



37. 





» 



38. 





» 



39. 





» 



40. 





» 



41. 





» 



42. 





» 



43. 





» 



44. 





» 



45. 





» 



46. 



The apex of the same. tf> ( 150 /i)- 

 The labrum. tf ( 50 /,). 

 The first pair of maxillae. <j* ( 50 /i)- 

 The secondary lamina of the same pair, o* ( 100 /i)- 

 The second pair of maxillae, a* ( 50 li)- 

 The maxillipeds from the inner side, a 71 ( 50 /i)- 

 » » » » right side, tf ( 50 /i). 



The first pair of peraeopoda. q 71 ( 25 /i)- 

 The second » » » o 71 ("/j). 



The fifth » » » tf ("/A 



The seventh)) » » tf ( 20 /j). 



The urus. <? («/,). 

 The female from the side (%)• 

 The first pair of antennae. 9 ( 35 /i)- 

 The dactylus of the second pair of peraeopoda. 



„ ?( 8 °/i)- 

 » 47. The fifth pair of peraeopoda. 9 ( lo /i)- 



PHRONIMA PACIFICA. 



48. The male from the side ( 12 / 1 ). 



49. The fifth pair of peraeopoda. rf ( 30 /,). 



50. The urus. rf (%). 



51. A young ( 13 %). 



PHRONIMELLA ELONGATA. 



The female from the side ( 5 /,). 



The first pair of antennae. 9 ( 8 %)- 



The first pair of peraeopoda. 9 ( 20 /i)- 



The second » » » 9 ( 20 /A 



The fifth » » » 9 ( 15 /,). 



The urus. 9 ( 25 /,). 



The first pair of antennae. tf ( 35 /i)- 



The second » » » rf ( 60 /j). 



The apex of the left mandible, rf 1 ( l50 /i)- 



The first pair of maxillae, tf ( 80 /i)- 



The second » » » tf ( l\)- 



The maxillipeds. tf ( 50 /i)- 



The dactylus of the second pair of peraeopoda. 



& ( 250 /x)- 



The apex of the third pair of peraeopoda. c^( 1d0 /i)- 

 Coupling spines from the first pair of pleopoda. 



& ( 80 %)- 

 67. The urus. tf ("/J. 



» 



52 



» 



53 



» 



54 



» 



55 



)) 



56 



)) 



57 



>) 



58 



» 



59 



» 



60 



» 



61 



» 



62 



)) 



63 



» 



64 



» 



65. 



» 



66. 



