342 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 19 



kind (12), a reddish purple echiuroid (1), Glottidia albida (1), Phoro- 

 nopsis calif ornica (7), bryozoans of several kinds, an amphipod (1), 

 isopods (2"^), two shrimps (5), a crab (1), two enteropneusts (6) and 

 an ascidian (7). The largest animal was a spherical sponge, the most 

 conspicuous Chaetopterus variopedatus, and the most abundant Owenia 

 /. collaris (60). Total numbers were estimated at more than 60 species, 

 and more than 200 specimens. 



2. Sta. 2961 (near no. 186). SW of Ship Rock, in 36 fms. OPG 

 took shelly sand and many animals. In addition to those named in the 

 chart, the sample contained two sponges (2), four coelenterates (20), a 

 nemertean (4), two sipunculids (7), a leech (1), a bryozoan colony 

 (1), a phoronid (6), Laqueiis calif ornicus (3), Terebratalia occidentalis 

 (2), several kinds of amphipods (18), ostracods (31), isopods (5), a 

 cumacean (1), Mitella polymerus (22), a decapod (2), and an enterop- 

 neust (2). 



Numbers of species and specimens totalled : 

 polychaetes 56 species, 102 specimens 



echinoderms 7 69 



mollusks 23 105 



crustaceans 8^ 81 



others 17 52 



Total : 1 1 1"^ species, about 409 specimens 



3. Sta. 3569 (near no. 162). N of Rowlands Landing, in 100 fms. 

 OPG took 0.69 cuft of green, sandy mud with many animals. The lot 

 contained a large sea-whip, Cerebratulus rubra, many polychaetes char- 

 acteristic of muds in slope depths, small crustaceans, and the following 

 echinoderms : 



4. Sta. 2738 (no. 136). Of? Rowlands Landing, in 342 fms. Camp- 

 bell grab took 3.15 cuft of green sticky mud with oily odor and waxy 

 nodules. In addition to those named on the chart, there was a trace of 

 siliceous sponge, a sipunculid (2), a nemertean (3), and an enteropneust 

 (2). Echinoderms were represented by a small ophiuroid. 



