GAMMARIDEAN AMPHIPODA 141 



eighth most abundant species (54 per sq. m.) ; short-tufted red algae 

 on pitted substrate, most abundant species (13,350 per sq. m.); 

 sand-inundated algae at high tide line, most abundant species (16,100 

 per sq. m.) ; coralline algae, most abundant species; sponge, rare. 



Distribution. — Oregon; Monterey Bay to La Jolla, California, 

 associated with plants, the most abundant intertidal species of 

 amphipod. 



Najna "iconsiliorum Derzhavin 



Najna fconsiliorum Derzhavin: J. L. Barnard, 1962c, pp. 157-160, figs. 21, 22. 



Material.- — carmel: algal holdfasts, scarce; Egregia stipes, moder- 

 ately abundant; Postelsia stipe, rare; Macrocystis stipe, rare, hazard 

 canyon: Egregia stipes, rare. 



Parallorchestes ochotensis (Brandt) 



Allorchestes ochotensis Brandt: Holmes, 1904b, pp. 233-234, fig. 118. 

 Parallorchestes ochotensis: Shoemaker, 1941a, pp. 184-185. — -J. L. Barnard, 1952a. 



pp. 23-24, pi. 5, fig. 1; 1954a, p. 24. 

 Parhyale ochotensis: Gurjanova, 1951, pp. 814-815, fig. 568. — Bulycheva, 1957, 



pp. 82-83, fig. 28. 

 Parhyale kurilensis Iwasa, 1934, pp. 1-7, pis. 1-2, text fig. 1; 1939, pp. 284-285. 



Material. — carmel: Phyllospadix-pely etiid grid, moderately abun- 

 dant (85 per sq. m.). cayucos: Phyllospadix-pelvetiid grid, abundant 

 (727 per sq. m.); shell fragments, rare; new growth of brown algae, 

 moderately abundant, hazard canyon: algal turf on platform, moder- 

 ately abundant (105 per sq. m.); coralline algae, rare; Egregia- 

 Laminaria holdfasts, scarce; Phyllospadix on sand, abundant; Rhodo- 

 mela laryx, very abundant, pt. dume: short brown algae, abundant to 

 most abundant species (167, 340, and 1200 per sq. m.) ; coralline 

 algae, moderately abundant- (555 per sq. m.) ; Phragmatopoma masses, 

 rare (15 per sq. m.); loose rocks, rare; Egregia holdfasts, moderately 

 abundant. 



Distribution. — Okhotsk Sea, Kurile Islands, Alaska; Pacific 

 coast of America south to Laguna Beach, California. 



Isaeidae (=Photidae) 



Cheiriphotis megacheles (Giles) 



Cheiripholis megacheles (Giles) : J. L. Barnard, 1962a, p. 17, fig. 4 (with literature) ; 

 1964a, p. 237. 



Material. — cayucos: Phyllospadix-pelv etiid grid, abundant (239 

 per sq. m.) ; Zaramana-corallines, rare. pt. dume: brown algae on 

 vertical face, rare (?). corona del mar: loose rocks, rare; Phragma- 

 topoma masses, rare; tunicates and soft polychaete tubes, rare, la 

 jolla: underrock substrate, fourth most abundant species (92 per 



