74 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 19 



63b. Station 2445-53. Off Los Angeles breakwater light, in 1 1 fms, 

 coarse red sand. 0.81 cu. ft. 



Failed to pass through screens ; one pail of sand, or about 0.3 cu, ft. 

 of unscreened and unfixed sand, was sorted in the laboratory and 

 found to yield richly in polychaetes, notably Dorvillea, Magelona, 

 Aricidea, Paraonis, and Anaitides species, anemones, and nematodes. 

 The sand is rich in mollusks, including Caecidae and other gastro- 

 pods, scaphopods, and pelecypods of various genera, and circular 

 disk-like colonies of bryozoans. Other animals include : 

 Dendraster (sand dollar) — several living, to 23 mm across 

 nudibranch — 1 



phoxocephalid amphipod : Pontharpinia sp. M. — 1 

 phoronids — at least 10 

 anemone {Harenactis fattenuata, according to the late Dr. W. K. 



Fisher) — many hundreds 

 sipunculids — many 

 polychaetes, including: (numbers of individuals not counted) 



Anaitides %^. 



Aricidea sp. 



Axiothella sp. 



Chaetozone sp. 



Chone sp. 



cirratulids, deep yellow in life 



Dorvillea f gracilis — hundreds 



Drilonereis sp. 



goniadid 



Harmothoe sp., very dark, deeply depressed, resembling a com- 

 mensal 



Leocrates sp., juvenile 



Lumbrineris sp. 



Magelona sp. 



maldanids, the largest polychaetes in the sample 



Nephtys sp. 



onuphid, in fine red sand-covered tube 



Paraonis sp. 



Pisione, near remote 



Rhynchospio sp. 



Scalibregma sp. 



Scoloplos sp. — 1 



Spiochaetopterus sp. 



