296 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 19 



19. Sta. 2844 (no. 233). SW of Lasuen sea mount, in 362 fms. 

 OPG took 3.15 cuft of sticky grayish green mud with many calcareous 

 foraminiferans, long sponge spicules and ophiuroid fragments. In addi- 

 tion to the species named in the chart, there were an anemone ( 1 ) , a 

 nemertean (4), and an amphipod (1). Largest species was Arnphiura 

 arcystata, and most abundant Aricidea iischakowi (16) and Tharyx spp. 

 (23). 



Numbers of species and specimens totalled : 

 polychaetes 1 1 species, 55 specimens 



echinoderms 2 3 



mollusk 1 3 



crustacean 1 1 



others 2 2 



Total : 1 7 species, 64 specimens 



20. Sta. 2370 (no. 232). Lower end of San Gabriel sea valley, in 

 366 fms. OPG took 2.83 cuft of grayish green mud with foraminiferans, 

 small amount of siliceous sponge, and many small animals. In addition 

 to those named on the chart, an amphipod (3) and a cumacean (1) 

 were present ; there was no large individual ; most abundant was 

 Tharyx sp. 



Numbers of species and specimens totalled : 

 polychaetes 1 1 species, 26 specimens 



echinoderm 1 3 



mollusks 3 14 



crustaceans 2 4 



Total: 17 species, 47 specimens 



21. Sta. 2640 (no. 241). S of Sixmile bank, in 370 fms. OPG took 

 about a liter of brown-black, friable rock, clayey gravel, animals and 

 siliceous sponge spicules. In addition to the species named on the chart, 

 there were present an isopod (3), Munida qundrispina (galatheid crab) 

 ( 1 ) , and a colonial tunicate. Largest animal was the crab, and none was 

 abundant. 1 otal number of species 15, and specimens 27. 



22. Sta. 2368 (no. 242). S of Sixmile bank, in 385 fms. OPG took 

 2.26 cuft of sandy mud, rocks, siliceous sponge and foraminiferans. A 

 dark, warty anemone was present, an amphipod (3), and a tanaid (2), 

 in addition to those named on the chart. Largest individual was (Jhloeia 

 pinnata, and most abundant were Lumbriclymene Itneus (9) and Tharyx 

 sp. (9). 



