PLATE LXIII. 



Conchmoia obtusata. 

 Figure 



1. Shell of female, seen from right side, x 40. 



2. ,, ,, ,, ,, below, X 40. 



Microconehmcia Clausii. 



3. Shell of female, seen from right side, x 80. 



4. Mandibular plates of same. 



5. Antennule and frontal tentacle of male. 



6. Armature of principal antennular seta, male. 



7. Antennule and frontal tentacle, female. 



8. Secondary branch of antenna, male. 



9. Copulatory organ of male. 



Paradoxostoma affine. 



10. Shell, seen from left side, x 100. 



11. ,, ,, ,, above, x 100. 



Paradoxostoma inflexum. 



12. Shell, seen from left side, x 100. 



13. ,, ,, „ above, x 100. 



Cythere semiovata. 



14. Shell, seen from left side, x 100. 



15. ,, ,, ,, above, x 100. 



Cytherura hodotria. 



16. Shell, seen from left side, x 100. 



17. „ „ ,, above, x 100. 



Cytherura mucronata. 



18. Shell, seen from left side, x 80. 



19. ,, ,, ,, above, x 80. 



Cytherura cornuta. 



20. Outline of shell (young), seen fi-om left side, x 120. 



Cytherura nigrescens. 



21. Outline of shell (young), seen from left side, x 120. 



Ilyocypris Bradii. 



22. Antennule. 



23. One of the caudal rami. 



Candona pubescens. 



24. One of the caudal rami. 



Candona Zenkeri. 



25. One of the caudal rami. 



[ 774 J 



