100 DE. G. S. BEADr ON 'CHALLENGER' MYODOCOPA. 



PLATE XVII. 



Pleoschisma moroides (p. 92). 



Fig. 1. Apical joints of antennule, 6 . 

 Fig. 2. Antenna, 6 (imperfect). 



Fig. 12. End of vermiform foot. 

 Fig. 13. Caudal lamina. 



Sarsiella roiusta, e (p. 94). 

 Fig. 14. Antennule. 

 Fig. 15. Secondary branch of antenna. 



Sarsiella simplex, $ (p. 94). 



Fig. 16. Shell seen from riiiht side, T 

 Fig. 17. „ above, J 



Fig. 18. First maxilla. 

 Fig. 19. Caudal lamina. 



Paraconchoscia ohlonga, s (p. 95). 

 Fig. 20. Shell seen from left side, X 40. 

 Fig. 21. Anterior margin of shell. 



Pseudoconclicecia serrulata, 6 (p. 96). 

 Fig. 22. Natatory branch of antenna. 

 Fig. 23. Secondary branch of right antenna. 

 Fig- 24. „ left 



