SYSTEMATIC TREATMENT 37 



Without a definite chitinized area about the anal lobe 



cerarii . 7 



7. Pores of the anal lobe cerarii numerous, arranged in 



a crowded, circular area about the cerarian spines .... 1 1 

 Pores of the anal lobe cerarii few, not thus arranged 8 



8. With no cerarii on the head anterior to the eyes, in all 



with not more than 9-10 pairs . . eriogoni (Ehrh.) 

 With cerarii on the head anterior to the eyes, in all 



with 17 pairs 9 



9. With a narrow, chitinized bar on the ventral side of the 



anal lobes, lobes extending in from the base of the 



anal lobe seta 10 



Without such a structure .... sequoiae (Coleman) 



10. Tips of cerarian spines and dorsal body setae flagellate 



krauhniae (Kuw.) 



Tips of cerarian spines and dorsal body setae not 



flagellate ' citri (Risso) 



11. With not less than 15 pairs of cerarii . . . ryani (Coq.) 

 With not more than 11 pairs of cerarii cupressicolus n. sp. 



12. With a well defined, chitinized area surrounding the 



anal lobe cerarii 15 



With no chitinized area surrounding the anal lobe 



cerarii 13 



13. With a chitinized area on the ventral side of the anal 



lobes 14 



Without a chitinized area on the ventral side of the 



anal lobes cupressicolus n. sp. 



14. Pores of the anal cerarii arranged in a crowded, cir- 



cular group; body setae short, inconspicuous . . . 



maritimus (Ehrh.) 



Pores of the anal cerarii scattered, body setae numer- 

 ous and long, giving the body a conspicuously 

 hairy appearance longisetosus n. sp 



15. With chitinized areas surrounding both penultimate 



and anal lobe cerarii 18 



With a chitinized area surrounding the anal lobe 



cerarii only 16 



16. Pores of the anal lobe cerarii arranged in a crowded, 



circular group maritimus (Ehrh.) 



Pores of the anal lobe cerarii scattered 17 



