52 "U.S. NATIONAL MUSEUM BULLETIN 258 



Station 38, Cayucos, California, July 1, 1961. 



Individuals per square meter of Phyllospadix-pelvetiid grid of 28 

 samples, A-E, see table 6 for synopsis. 



Allorchestes anceps 1, Ampelisca lobata 34, A. schellenbergi 56, Am- 

 philochus litoralis 27, A. neapolitanus 17, Ampithoe lacertosa 6, A. 

 pollex 251, A. simulans 51, Ampithoe spp., juvs. 312, Aoroides colum- 

 biae 2622, Atylus levidensus 16, Calliopiella pratti 1304, Cerapus 

 tubularis 11, Cheiriphotis megacheles 239, Chevalia aviculae 62, Coro- 

 phium baconi 6, Elasmopus antennatus 624, E 1 . rapax mutatus 123, 

 Elasmopus sp. juvs. 83, Eurystheus spinosus 209, E 1 . thompsoni 168, 

 Ericthonius brasiliensis 128, £". hunteri 9, Fresnillo fimbriatus 3, C^fa- 

 nopsis sp. 3, Hyale rubra frequens 7507, Ischyrocerus sp. A 172, 

 ischyrocerid juveniles of sp. A and Jassa falcata 418, Jassa falcata 

 353, Lysianassa macromerus 6, Megamphopus effrenus 92, Melita sp. 

 juvs. 3, Microjassa litotes 956, Ocosingo borlus 3, Oligochinus lighti 

 568, Parallorchestes ochostensis 727, Paraphoxus spinosus 332, Para- 

 pleustes nautilus 16, P. pugettensis 56, Photis bifurcata 200, P. brevipes 

 243, P. californica 2, P. conchicola 117, Photis spp. juvs. 3321, photid 

 of 38-A-l 23, Pleustes depressa 9, Pleustes sp. juvs. 8, Podocerus 

 cristatus 12, Podocerus sp. juvs. 5, Polycheria osborni 23, Pontogeneia 

 rostrata 142, pontogeneiid short rostrum of 38-B-5 56. 



38-F-l, wash of tunicate Amaroucium sp. from underside of cavern 

 facing shoreward, lower-water wash area: Aoroides columbiae 56, CW- 

 liopiella pratti 79, Corophium baconi 2, Elasmopus holgurus 68, .EWc- 

 thonius brasiliensis 5, Eurystheus spinosus 4, Fresnillo fimbriatus 8, 

 Hyale rubra frequens 36, Ischyrocerus sp. B 53, juvs. of Ischyrocerus sp. 

 B and Jassa falcata 64, Jassa falcata thin 15, Maera inaequipes 1, 

 Microjassa litotes 20, Ocosingo borlus 41, Parapleustes pugettensis 10, 

 Photis bifurcata 34, Podocerus sp. juv. 1, Polycheria osborni 18. 



38-F-2, wash of sponge in mussel-bed association, 0.66 m. above 

 low water (—1.7 ft.) in tide-pool crack parallel to shore: Aoroides 

 columbiae 13, Elasmopus holgurus 52, Fresnillo fimbriatus 1, Leucothoe 

 alata 18, Microjassa litotes 1, Oligochinus lighti 1, Photis sp. juvs. 4, 

 Podocerus cristatus 2, Polycheria osborni 1. 



Station 43, Cayucos, California, January 5-6, 1962, list of species 

 and specimens in underrock and miscellaneous samples. 



43-A-l, % 4 th sq. m. of encrusting sponge under rock: Aoroides 

 columbiae 3, Photis conchicola 1. 



43-A-2, scrapings of small red anemone: Aoroides columbiae 1, 

 Calliopiella pratti 1 , Photis conchicola 1 . 



