PLATE II. 



TYRO SARSI. <? 



Fig. I. The animal from the side ( 6 /i)- 



» 2. The second pair of antennae ( 15 ji)- 



» 3. The end of the fifth joint of the same ( 13 %)- 



» 4 and 5. The second pair of antennas from younger animals ( 25 /i)- 



» 6. The last joints of the third pair of pereiopoda ( 18 /i). 



» 7. » » » » » fourth » » » ( 18 /i)- 



» 8. The fifth pair of pereiopoda ( 13 /j). 



» 9. The first pair of pleopoda ( 18 /,). 



» 10. The urus ( 18 /,). 



TYRO ATLANTIC A. & (young). 



11. The animal from the side ( 10 /i). 



12. The last joint of the first pair of antennas ( 100 / x ). 



13. The same in a younger animal ( 15 %). 



14. The fifth pair of pereiopoda ( 20 /, ). 



15. The dactylus of the same ( 120 /i). 



16. The sixth pair of pereiopoda ( 25 /i)- 



17. The dactylus of the seventh pair ( 15 %). 



18. The urus ( 25 /,). 



TYRO GLAUSI. 9 



19. The animal from the side (^/j). 



20. The head from above ( 2 ",\). 



21. The last joint of the first pair of antennas ( 100 /i)- 



22. The first pair of pereiopoda ( 42 /i)- 



23. » second » » » ( 42 /i)- 



24. » fifth » » » ( 28 /j). 



25. » seventh » » » ( 20 /i)- 



26. » first » » pleopoda ( 20 , l l ). 



27. Cilias of the same (^/j). 



28. The urus ("/J. 



