OoE.— Nemerteans. 



PLATE 2. 



Fig. 16. Tetrastemma reticulatwn Coe. "Variety with rectangular markings. 

 Dorsal surface. X 6. San Pedro, California. 



Fig. 17. T. reticulatum. Variety with confluent markings. Dorsal surface. 

 X 15. San Pedro, California. 



Fig. 18. Tetrastemma quadrilineatum Coe. Dorsal surface. X 15. San 

 Pedro, California. 



Fig. 19. Tetrastemma (Oerstedia) dorsale (Abildgaard). Reddish variety. 

 Dorsal surface. X 8. Monterey Bay, California. 



Fig. 20. Carcinonemertes epialti Coe. Dorsal surface. X 10. Monterey Bay, 

 California. 



Fig. 21. Amphiporusbimaculatus Coe. Dorsal surface. X 3. Monterey Bay, 

 California. 



Fig. 22. Amphiporus fiavescens Coe. Dorsal surface. X 3. San Pedro. 

 California. 



Fig. 23. Amphiporus fulvus Coe. Dorsal surface. X 3. San Pedro,' Cali- 

 fornia. 



Fig. 24. Tetrastemma signifer Coe. Dorsal surface. X 5. San Pedro, Cali- 

 fornia. 



Fig. 25. Tetrastemma bilineatum Coe. Dorsal surface. X 14. San Pedro, 

 California. 



Fig. 26. Tetrastemma nigrifrons Coe. Proboscis extruded. Dorsal surface. 

 X 6. Monterey Bay, California. 



Fig. 27. Lineus alboUneatus Coe. Showing both dorsal and ventral surfaces. 

 X 5. Monterey Bay, California; 20 fms. 



(Figs. 21, 26, 27 after drawings by J. F. Abbott ; others by W. H. Coe.) 



