DESCRIPTION OF PLATES. 



PLATE IX. 



Fig. 1. Xanthocalanns similis n. sp. Female, head from side, X 40. 

 Fig. 2. Chintiidina streetsi Giesbrecht. Female, head from side, X 40. 

 Fig. 3. Gaetanus unicornis n. sp. Female, head from side, X 40. 

 Fig. 4. Gaetanus brevicornis n. sp. Female, head from side, X 40. 

 Fig. 5. Gaetanus clarus n. sp. Male, head from side, X 40. 

 Fig. 6. Euchirella curticauda Giesbrecht. Female, head from side, X 70.. 

 Fig. 7. Euchaeta dubia n. sp. Male, head from side, X 40. 

 Fig. 8. Euchaeta spinifera n. sp. Male, head from side, X 70. 

 Fig. 9. Euchaeta propinqua n. sp. Female, head from side, X 70. 

 Fig. 10. Euchaeta tonsa Giesbrecht. Female, head from side, X 70. 

 Fig. 11. Euchaeta calif ornica ii. sp. Female, head from side, X 70. 

 Fig. 12. Euchaeta tenuis n. sp. Female, head from side, X 70. 

 Fig. 13. Scolecithrix magna (Scott). Female, head from side, X 70. 

 Fig. 14. Scolecithrix frontalis Giesbrecht. Female, head from side, X 40. 

 Fig. 15. Metridia atra n. sp. Male, head from side, X 40. 

 Fig. 16. Metridia atra n. sp. Male, head and basals of left anterior an- 

 tenna, dorsal, X 25. 

 Fig. 17. Arietellus major n. sp. Female, head from side, X 70. 

 Fig. 18. Scolecithrix inornata n. sp. Female, head from side, X 40. 

 Fig. 19. Augaptdus rostratus n. sp. Female, head from side, X 40. 

 Fig. 20. Metridia ignota n. sp. Female, head from side, X 70. 

 Fig. 21. Disseta grandis n. sp. Female, head from side, X 40. 

 Fig. 22. Labidocera jollae n. sp. Male, head dorsal, X 40. 

 Fig. 23. Labidocera joUae n. sp. Male, head from side, X 70. 



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