EXPLANATION OF PLATES 



PLATE ]0 



Fig. 1. Gaetanus ascendens n. sp. Female, abdomen and part of last 

 thoracic segment, from side. X 35. 



Fig. 2. Scolecithrix aculeata n. sp. Female, abdomen and part of tho- 

 , rax, from side. X 70. 



Fig. 3. Gaetanus ascendens n. sp. Female, abdomen and part of last 

 thoracic segment, from above. X 35. 



Fig. 4. Augaptilus californicus n. sp. Female, abdomen, from side. 

 X 35. 



Fig. 5. Euchaeta elongata n. sp. Female, genital segment and tip of 

 last thoracic segment, from below. X 35. 



Fig. 6. Gaetanus ascendens n. sp. Female, anterior part of head, from 

 side. X 35. 



Fig. 7. Augaptilus romanus n. sp. Male, abdomen, from above. X 35. 



Fig. 8. Scolecithrix elephas n. sp. Female, anterior part of bead, from 

 side. X 35. 



Fig. 9. Arietellus pacificiis n. sp. Female, anterior part of head, from 

 side. X 70. 



Fig. 10. Augaptilus simplex n. sp. Female, abdomen, from below. 

 X 22. 



Fig. 11. Augaptilus depressus n. sp. Female, forehead, from side. 

 X 35. 



Fig. 12. Scolecithrix longirostris n. sp. Female, abdomen and last 

 segment of thorax, from side. X 35. 



Fig. 13. Onchocalanus latus Esterly. Female, abdomen and part of 

 thorax, from side. X 35. 



Fig. 14. Scolecithrix mollis n. sp. Female, abdomen and last segment 

 of thorax, from side. X 35. 



Fig. 15. Onchocalanus latus Esterly. Female, forehead, from side. 

 X 35. 



Fig. 16. Euchaeta elongata n. sp. Female, forehead, from side. X 35. 



Fig. 17. Scolecithrix elephas n. sp. Female and posterior part of tho- 

 rax, from side. X 35. 



Fig. 18. Scolecithrix obscura n. sp. Female, abdomen and last two 

 thoracic segments, from side. X 35. 



Fig. 19. Scolecithrix longirostris n. sp. Female, forehead, from side. 

 X 70. 



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