64 U.S. NATIONAL MUSEUM BULLETIN 2 58 



?nopus spp. juvs. 865, Ericthonius brasiliensis 250, Gitanopsis vilordes 

 5, Heterophlias seclusus escabrosa 11, Hyale rubra frequens 4890, 

 Ischyrocerus sp. A 63, Jassa falcata thick 21, J. falcata thin 21, 

 Lembos macromanus 11, Lembos sp. juvs. 4, Lysianassa macromerus 

 11, Maera inaequipes 4, Megamphopus effrenus 142, M. martesia 130, 

 Melita sp. juvs. 4, Microdeutopus schmitti 503, Microjassa litotes 

 2177, Paraphoxus spinosus 303, Parapleustes pugettensis 44, Para- 

 pleustes sp. A 2, Parapleustes spp. juvs. 5,' Photis brevipes 736, P. 

 conchicola 589, Photis spp. juvs. 355, Pleustes fdepressa juvs. 4, P. 

 platypa 5, Podocerus sp. juv. 2, Polycheria osborni 16, Pontogeneia 

 quinsana 19, P. rostrata 44, stenothoid 2, stenothoid 4, Synchelidium 

 rectipalmum 33, unknown crushed specimens 90. 



45-F-G, grid of 22 samples of underrock substrates in Phyllospadix- 

 pelvetiid zone, see table 22 for synopsis, amphipods listed as individ- 

 uals per square meter: Ampelisca lobata 4, Amphilochus neapolitanus 

 28, Ampithoe plumulosa 2, A po/Zez 58, A simulans 8, Ampithoe 

 spp. juvs. 2, Aoroides columbiae 60, Cerapus tubularis 4, Cheiriphotis 

 megacheles 92, Corophium baconi 2, Dulzura sal 2, Elsamopus rapax 

 mutatus 2, £". rapax serricatus 30, Elasmopus sp. juvs. 280, eophliantid 



4, Ericthonius brasiliensis 10, Eurystheus thompsoni 4, Eusiroides 

 monoculoides 4, Gitanopsis vilordes 12, Heterophlias seclusus esca- 

 brosa 38, Hyale rubra frequens 54, Lembos sp. juvs. 8, Maera simile 88, 

 Megamphopus effrenus 2, M. martesia 6, Melita sulca 38, Micro- 

 deutopus schmitti 38, Microjassa litotes 98, Orchomene magdalenensis 

 2, Paraphoxus spinosus 6, Parapleustes pugettensis 24, Photis brevipes 

 2, Photis sp. juvs. 176, Pleustes depressa 2, Pontogeneia quinsana 2, 

 P. rostrata 4, Synchelidium rectipalmum 2. 



45-0-1, 0-2, T-l, W-3, W-4, nonquantitative washes of coralline 

 algae: Amphilochus litoralis 43, A neapolitanus 9, Ampithoe plumulosa 

 11, A pollex 39, Ampithoe sp. juvs. 95, Aoroides columbiae 87, Cerapus 

 tubularis 1, Cheiriphotis megacheles 7, Elasmopus antennatus 70, 

 2?. rapax serricatus 170, Elasmopus sp. juvs. 46, Ericthonius brasiliensis 



5, Hyale rubra frequens 1005, Ischyrocerus sp. B 2, Megamphopus 

 effrenus 1, M. martesia 12, Microdeutopus schmitti 91, Microjassa 

 litotes 115, Paraphoxus spinosus 1, Parapleustes pugettensis 5, Para- 

 pleustes sp. A 1, Photis brevipes 1, Photis sp. juvs. 138, Pleustes fde- 

 pressa 3, Pontogeneia quinsana 1 1 , P. rostrata 7, Pontogeneia sp. juvs. 1 . 



45-M-4, % 4 th sq. m. of mat of brown, red, and coralline algae under 

 Phyllospadix leaves, analyzed separately after cutting off Phyllospadix 

 plants : ^Amphilochus litoralis 16, A neapolitanus 2, Ampithoe lacertosa 

 4, Ampithoe sp. juvs. 2, Cerapus tubularis 2, Corophium baconi 2, 

 Elasmopus rapax serricatus 348, Ericthonius brasiliensis 6, Hyale 

 rubra frequens 269, Ischyrocerus sp. A 2, Jassa falcata thin 2, Megam- 



