100 DR. G. S. BEADY ON 'CHALLENGER' MYODOCOPA. 



PLATE XVII. 



Pleoschisma moroides (p. 92). 



Fig. 1. Apical joints of antennule, 6 . 



Fig. 2. Antenna, 6 (imperfect). 



Fig. 3. „ ?. 



Fig. 4. „ one of the short setae more highly magnified. 



Fig. 5. „ secondary branch, 6 . 



Fig. 6. First maxilla. 



Fig. 7. Mandible, 6 • 



Fig. 8. Mandible, ? . 



Fier. 9. End of vermiform foot. 



Fig. 10. Caudal lamiua. 



Fig. 11. Eye, <s . 



Sarsiella sculpta (p. 93). 



Fig. 12. End of vermiform foot. 

 Fig. 13. Caudal lamina. 



Sarsiella robusta, 8 (p. 94). 

 Fig. 14. Antennule. 

 Fig. 15. Secondary branch of antenna. 



Sarsiella simplex, $ (p. 94). 

 Fig. 16. Shell seen from right side, ") 



T7- 17 K ( X80 - 



rig. 1 (. „ above, J 



Fig. 18. First maxilla. 

 Fig. 19. Caudal lamina. 



Paraconchcecia oblonga, 3 (p. 95). 

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

 Fig. 21. Anterior margin of shell. 



Pseudoconchcecia serrulata, <s (p. 96). 

 Fig. 22. Natatory branch of antenna. 

 Fig. 23. Secondary branch of right antenna. 

 Eig. 24. „ left 



