GAMMARIDEAN AMPHIPODA 61 



Station 47, Point Dume, California, February 5-7, 1963. 



47-A-l, A-2, A-3, each }^th sq. m. of Anthopleura elegantissima; 

 Aoroides columbiae 1, Lysianassa macromerus 32, Pontogeneia rostrata 1. 



47-E-l, E-2, each % 4 th sq. m. of pendant, sand-encrusted, social 

 tunicates: Ampithoe cf. pollex, juv. 1, Aoroides columbiae 30, 

 Eurystheus thompsoni 1, Hyale rubra jrequens 4, Jassa falcata 1, 

 Parapleustes pugettensis 8, stenothoid juv. 1. 



47-E-3, }Uth sq. m. of sandy sponge from landward face of vertical 

 rock, 0.67 m. above low water: Ampithoe pollex 4, Aoroides columbiae 

 21, Elasmopus rapax mutatus 182, Hyale rubra jrequens 6. 



47-F-l, )uth sq. in. of old algal holdfast encrusted with sand tubes: 

 Ampithoe pollex 13, Aoroides columbiae 12, Elasmopus rapax mutatus 

 111, Hyale rubra jrequens 3, Photis sp. juvs. 3. 



47-F-4, non-quantitative wash of pendant, sand-encrusted, social 

 tunicates on underside of ledge: Aoroides columbiae 12, Elasmopus 

 holgurus 1, Ericthonius brasiliensis 1, Hyale sp. juvs. 4, Leucothoe 

 alata 7, Lembos sp. juv. 1, Parapleustes pugettensis 25. 



Station 46, Corona del Mar, California, December 9-11, 1962. 



46- A-E, grid of 23 samples in Phyllospadix-cor&Wine zone, see table 18 

 for synopsis, amphipods listed as individuals per square meter: 

 Amphilochus litoralis 18, A. neapolitanus 16, Ampithoe lindbergi 4, 

 A. pollex 476, Ampithoe sp. juvs. 2, Aoroides columbiae 438, Cerapus 

 tvbidaris 106, Dulzura sal 4, Elasmopus rapax mutatus 3228, E. rapax 

 serricatus 38, Elasmopus spp. juvs. 404, Ericthonius brasiliensis 210, 

 Eurystheus thompsoni 12, Oitanopsis fpusilloides 2, (?. vilordes 2, 

 Hyale grandicornis calijornica 12, Hyale rubra jrequens 9100, Jassa 

 falcata thick 10, j! jalcata thin 178, Lembos sp. juv. 2, Lysianassa 

 macromerus 28, Megamphopus ejfrenus 8, M. marlesia 2, Megamphopus 

 spp. juvs. 4, Melita sulca 46, Microdeutopus schmitti 22, Microjassa 

 litotes 152, Paraphoxus spinosus 4, Parapleustes pugettensis 22, Photis 

 brevipes 2, P. conchicola 30, P. elephantis 34, Photis spp. juvs. 1282, 

 Podocerus brasiliensis 2, Stenothoe estacola 4- 



46-G-8, G-13, G-15, J-l, washings of loose rocks: Amphilochus 

 litoralis 3, A neapolitanus 48, Ampithoe pollex 2, Ampithoe sp. juvs. 

 8, Aoroides columbiae 166, Cerapus tubularis 3, Cheiriphotis megacheles 

 1, Dulzura sal 1, Elasmopus rapax serricatus 32, Elasmopus sp. juvs. 31, 

 Ericthonius brasiliensis 48, Eurystheus thompsoni 1, Eusiroides mon- 

 oculoides 16, Gitanopsis vilordes 37, Hya/e rubra jrequens 833, Ischyro- 

 cerus sp. A 1, Jassa jalcata thick 22, Lysianassa macromerus 37, Maera 

 fsimile 57, Melita sulca 141, Megamphopus sp. juvs. 2, Microdeutopus 

 schmitti 30, Microjassa litotes 32, Parapleustes pugettensis 28, photid 1 , 



