PLATE LXL 



Conchoseia maxima. 



Figure 



1. Female, seen from left side, left valve removed, x 23. («) Teeth of postero-doraal 



angle of shell of male. 



2. Antennule and frontal tentacle of female. 



3. End of frontal tentacle of male. 



4. Portion of seta of antennule of male, showing marginal spines. 



5. Secondary branch of antenna of male. 



6. Labrum, labium, &c. 



7. End of mandible of male. 



8. Eeticulation of shell. 



Conehaeia lorcalis. 



9. Female, seen from right side, x 34. 

 10. ,, in outline, seen from above. 



1 1 Teeth of postero-dorsal angle. 



12. Antennule of female. 



13. ,, „ male. 



14. Spinous portion of anterior antennular seta of male. 



15. Frontal tentacle of female. 



16. Secondary branch of antenna, female. 



17. Caudal lamina and ovaries. 



18. Copulatory organ of male. 



19. Shell structure. 



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