TREADWELL 



PLATE A 



Ai^oentCoBaUm 



FiGVREn I to 6, Leodice crassi-fentacnlaia TreddweM. Fig. 1, anterior end X 7.5. Fig. 2, tenth 

 parapodium X 23. Fig. 3, fiftieth parapodium X 17. Fig. 4, maxilla X 15. Fig. 5, 

 mandible X 15. 



Figures 6 to 11. Leodk e hlformi-cirrata Tre&dweU. Fig. 6, anterior end X 4. Fig. 7, pygidiura 

 X 4, Fig. 8, tenth parapodium X 13. Fig. 9, right half of maxilla X 9. Fig. 10, left 

 half of maxilla X 9. Fig. 11, half of mandible X 9. 



FKiURES 12 to 14. Marphijsa californica IVIoore. Fig. 12, pygidium X 7.5. Fig. 13, one-hun- 

 dredth parapodium X 40. Fig. 14, forty-fifth parapodium X 40. 



