38 



indicator value than foraging or roaming kindSo 



In Santa Monica Bay the use of indicator species 

 seems especially practical because many occur as aggregates 

 or in association, and have limited ecological dist- 

 ributions. Some of these by location in zones and 

 alphabetic by group are; 



Ampharete ?arctica near outfall, nr 42 (San Pedro) 



Aricidea spp, at I SW-1, 3, 6; II -1, 3, and 8, 



Capitella capitata at SW-3 and nr 42 (San Pedro) 



Chaetopterus variopedatus rare in SMB; common at 



27, 43, 110, and 186 in San Pedro area. 



Chloeia pinnata at I SW-8| II-7; and III-5 



Chone ecaudata at 69 in San Pedro area 



various cirratulids, especially Tharyx , Chaet ozone , 



at I W-1 and 2; I SW-1, 3, and 6; I NW-1 and 9. 



Diopatra ornata I SW-l; I NW-2 



Eumida ? sanguinea rare in SMBj nr 42 in San Pedro area 



Glycera americana and G« capitata in varying distances 



from the outfall. 



Hypoeulalia sp. at I W-1 



Lumbrineris cruzensis , L. bicirrata and other kinds, 



at varying distances from the outfall. 



Magelona spp. differing in depth at varying distances 



Nephtys f erruginea at I SW-3 and 6 



Nereis procera at I SW-1, 2, 3; I NW-3 and 4 



Nothria elegans at I W-2 and 4; I SW-2 and 3; I NW-1 



