Fig. 



1. 



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2. 



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3. 



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4. 



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5. 



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6. 



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7. 



)) 



8. 



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9. 



PLATE III. 



TYRO TULLBERGI. $ 



The animal from the side ( 22 / 7 ). 

 The eye ( 13 %). 



The first pair of antennae ( 50 /i). 

 The first pair of pereiopoda ( 50 /j )• 



» second » » » ( 50 /i)- 



» fifth » » » ( 33 /])- 



The dactylus of the seventh pair ( 220 /i). 

 The first pair of pleopoda ('%)• 

 The urus ( 44 /i)- 



TYRO PACIFICA. ? 



10. The animal from the side ( 2 %). 



11. The last joints of the first pair of pereiopoda (^/j). 



12. » » » » » third » » » ( 120 /i)- 



13. The fifth pair of pereiopoda ( 40 /,). 



14. » sixth » » » ( 40 /,)- 



15. » seventh » » » ( 30 i )• 



16. The dactylus of the same ( 180 / 1 ). 



17. The urus ( 3 %). 



TYRO MARGINATA. <? 



18. The animal from the side ( 25 /i)- 



19. The first pair of antennae ( 50 /j ). 



20. The last joint of the same ( 100 /,). 



21. The second pair of antenna? ( 60 /j )• 



22. The first pair of pereiopoda ( 70 /i). 



23. The dactylus of the same C 350 /,). 



24. The second pair of pereiopoda ( 70 /i)- 



25. » third » » » ( 5 %)- 



26. The dactylus of the same ( 20 %). 



27. The fifth pair of pereiopoda ( 40 /,). 



28. The dactylus of the same C 130 /^. 



29. The sixth pair of pereiopoda ( 5 %). 



30. The dactylus of the same ( 225 /i> 



31. The seventh pair of pereiopoda ( 5 %)- 



32. The dactylus of the same ( 200 /]). 



33. The urus ( 50 / 1 ). 



