NO. 2 HARTMAN : QUANTITATIVE SURVEY 317 



2. Sta. 4877 (no. 134). About half way between Newport Bay and 

 Laguiia Beach, in 9 fnis. OPG took 0.69 cuft of medium dark gray sand. 

 Wet weight of macroscopic animals was 19.9 grams, of which polychaetes 

 comprised 10.7, ophiuroids 4, Astropecten (2) 1.7, nemerteans 1.4, and 

 anemones 1.3 grams. In addition to the species named on the chart, a 

 white anemone with flat base (8), small anemone (8), Cerebratulus sp. 

 (2), a polyclad (2), a sipunculid (15), about ten species of amphipods 

 (107), an isopod (1), cumaceans with six species (18), ostracods with 

 four (18), a shrimp ( 1 ), and Branchiostoma sp. (3), comprised the lot. 

 The largest individual was Nothria iridescens, the most conspicuous 

 Owenia f. collaris and Onuphis eremita, and the most abundant Lumbri- 

 neris cruzensis (25) and Glycera oxycephala (21). 



Numbers of species and specimens totalled : 

 polychaetes 25 species, 101 specimens 



echinoderms 4 33 



mollusk 1 1 



crustaceans 23 133 



others 6 38 



Total : 59 species, 306 specimens 



3. Sta. 4777 (near no. 185). S of Laguna Beach, in 10 fms. OPG 

 took 0.88 cuft of fine gray to black sand, flocculent debris having an odor 

 of hydrogen sulfide, and many animals. Total wet weight of animals was 

 21.2 grams, of which polychaetes comprised 12.4, mollusks 4.6, an Astro- 

 pecten 2.0, and crustaceans 1.0 grams. In addition to those listed on the 

 chart, the sample had two kinds of nemerteans (18), Glottidia albida 

 (2), 18 species of amphipods (284). a tanaid (23), two kinds of cuma- 

 ceans (6), an epinebalian (1), an ostracod (2), Callianassa (3), a pag- 

 urid (1) and a crab (4). Largest individuals were Astropecten and 

 Lytechiniis ; and most conspicuous was Diopatra ornata. 



Numbers of species and specimens totalled : 



4. Sta. 4871 (near no. 185). 2.7 mi from Dana Ft., in 27 fms. 

 OPG took 1.32 cuft of green silt. Wet weights of animals totalled 54.5 

 grams, of which polychaetes comprised 22.2, ophiuroids 19.6, tunicates 



