346 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 18 



11. Peraeopod 5 bears large upward pointing spur 12 



11. Peraeopod 5 lacks large upward pointing spur 14 



12. Third pleonal epimeron with very long tooth, peraeopod 5 



lacks additional large teeth mucronata 



12. Third pleonal epimeron with medium tooth, peraeopod 5 



bears 1-2 additional large teeth 13 



13. Peraeopod 5 bears 2 accessory large teeth and 1 small 



one kobjakovae 



13. Peraeopod 5 bears 1 accessory large tooth and 4 



small ones orientalis 



14. Peraeopod 5, article 2, anterior lower edge with an expanded 



setal row 15 



14. Peraeopod 5, article 2, anterior lower edge with 2-5 small setae 17 



15. Peraeopod 5 bears 8 large posterior teeth latipes 



15. Peraeopod 5 bears no large posterior teeth 16 



16. Peraeopod 5, posterior edge of article 2 with 



numerous serrations excavata 



16. Peraeopod 5, posterior edge of article 2 with about 



7 small teeth sanpedroensis n. sp. 



17. Peraeopod 5, article 2 bears large posterior teeth 18 



17. Peraeopod 5, article 2 bears small posterior teeth 26 



18. Head with strong process at lower corner profundis n. sp. 



18. Head with small or no process at lower corner 19 



19. Third pleonal epimeron with oblique setal row 20 



19. Third pleonal epimeron lacks oblique setal row 22 



20. Peraeopod 5, article 2 bears 2 large posterior teeth bidentata 



20. Peraeopod 5, article 2 bears 4 large posterior teeth 21 



21. Dorsum of pleon not hairy; peraeopod 5, article 2 bears 2-3 



small teeth on lower edge pectinata 



21. Dorsum of pleon hairy; peraeopod 5, article 2 lacks small 



teeth on lower edge serrata 



22. Peraeopod 5, article 2 with 7 large posterior teeth schurini 



22. Peraeopod 5, article 2 with 4 or less large posterior teeth 23 



23. Peraeopod 5, article 2 with 4 large posterior teeth. 24 



23. Peraeopod 5, article 2 with 2 large posterior teeth 25 



24. Teeth of peraeopod 5 directed posteriorly birjulini 



24. Teeth of peraeopod 5 directed ventrally tarasovi 



25. Peraeopod 5, both large teeth acute salebrosa 



25. Peraeopod 5, one of the large teeth blunt gurjanovae 



