State of Washington, in February and March 1920. 181 



Figures 20 to 37. 



Fig. 20. maxilla, X 28; fig. 21, 



20 and 21. Lumbrinereis cervicalis new species (continued). 



22 to 34. OnupSSrr^t^^new species, fig- 22. anterior dorsal view X 15; fig. ^ 



ventral view. X 15; fig. 24. first parapodium. X 68; fig. 25. ^^^^P^^.^P'l^;"^ 

 X 68- fig. 26. parapodium from middle of body. X 45; fig. 27, acicuia. X 250 fig. 28, 

 acicula, X 250; fig. 29. semi-compound seta. X 250; fig. 30. seta f^^^^ t«°t*if IJ" 

 Dodium X 250; fig. 31, compound seta from tenth parapodmm, X ^50. Gg. 6^, 

 pectinate seta. X 500; fig. 33. maxilla. X 45; fig. 34. mandible. X 45. 



35. Polydora californica TieadweW. Pygidium, X 13. 



36. Cirratulus robuslus Johnson. Anterior dorsal view, X 10. 



37. Ammotrypane brevis Moore. Pygidium, X 20. 



