NO. 2 



HARTMAX: QUANTITATIVE SURVEY 



211 



Numbers of species and specimens totalled ; 



polychaetes 

 echinoderms 

 mollusks 

 crustaceans 

 others 

 Total : 



28 species, 465 specimens 

 1 1 



1 2 



2 6 



_J 6 



35 species, 480 specimens 



5. Sta. 4718 (near no. 33), in 6 fms. OPG took 0.5 cuft of coarse 

 greenish gray sand with much flocculent debris, white branching bryo- 

 zoans and many animals. In addition to species named in the chart, there 

 were a ceriantharian (1), ?Harenactis (2), a sea-whip (1), a nemer- 

 tean (4), a sipunculid (2), Glottidia alhtda (1), 4 kinds of amphipods 

 (8), 2 isopods (4), 4 cumaceans (5), an ostracod (1), a cancroid crab 

 (1), a pycnogonid (5), and an enteropneust (1). Largest species were 

 Pista disjuncta and a sea-whip ; most abundant were Tharyx tesselata 

 (104) and Mediomastus calif orniensis (16). 



Numbers of species and specimens totalled : 



polychaetes 57 species, 354 specimens 



echinoderms 3 5 



mollusks 17 46 



crustaceans 11 15 



others 8 12 



Total : 96 species, 432 specimens 



6. Sta. 2307 (no. 29), in 7 fms. OPG took 2. 14. cuft of shale, black, 

 friable, rubbly clay and many animals. In addition to species named in the 

 chart, there were IHarenactis (2), 2 nemerteans (6), a sipunculid (1), 

 an amphipod (5), a pinnixid crab ( 1 ). There were no large individuals. 

 Most abundant were Cossura Candida (250"^), Nereis procera (145), 

 Tharyx tesselata (more than 100), and Paraonis gracilis (92). 



Numbers of species and specimens totalled : 



polychaetes 

 echinoderms 

 mollusks 

 crustaceans 

 others 

 Total : 



49 species, 846 specimens 



1 2^ 

 9 41 



2 6 



_J 10 



66 species, 905^ specimens 



