GAMMARIDEAN AMPHIPODA 85 



moderately abundant (20 per sq. m.) ; Egregia holdfasts, rare; sandy 

 sponge, rare, corona del mar: Phyllospadi x-com\\ine grid, 4th most 

 abundant (476 per sq. m.) ; underrocks, most abundant (14 per sq. m.) 

 loose rocks in tidepool, rare; Egregia stipes, rare; sponge, rare, la 

 jolla: underrock grid, abundant (58 per sq. m.); red algal ridge 

 and platforms, very abundant (112 and 672 per sq. m.) ; sand inundated 

 algae at high tide line, very abundant (7920 per sq. m.) ; Phyllospadix- 

 coralline grid, scarce (107 per sq. m.); coralline algae, scarce; under- 

 water red algae, rare. 



Distribution. — Bermuda; eastern Pacific Ocean from Oregon to 

 northern Baja California. 



Ampithoe simulans Alderman 



Ampithoe simulans Alderman, 1936, pp. 68-70, figs. 44-47. — J. L. Barnard, 



1954a, pp. 33-34, 1 fig; 1965a, pp. 27-30, figs. 17, 18. 

 Ampithoe dalli Shoemaker, 1938, pp. 19-22, fig. 2. 



Material. — carmel: red algae, rare; tunicates and sponges, rare; 

 cobble-pelvetiid grid, rare, cayucos: Phyllospadix-pelv etiid grid, 

 scarce (51 per sq. m.); buried cobbles, scarce; Macrocystis holdfast, 

 abundant; Laminaria and corallines, abundant, hazard canyon: 

 Egregia -Laminaria holdfasts, scarce; Egregia holdfasts, rare, goleta: 

 Phyllospadix-pelv etiid grid, scarce, la jolla: Phyllospadix-cor&Mme 

 grid, scarce; underrock grid, scarce. 



Distribution. — Coos Bay, Oregon, to La Jolla, California. Prob- 

 ably at its southern intertidal limit south of Pt. Conception. 



Ampithoe ?tea J. L. Barnard 



? Ampithoe tea J. L. Barnard, 1965a, pp. 30-34, figs. 19-21. 



These specimens are not fully typical of A. tea and require com- 

 parison to the instars of several other similar species such as A. u mea," 

 A. plea, and A. lindbergi. 



Material. — pt. dume: pelvetiid zone, scarce (35 per sq. m.). 



Note on Ampithoe corallina Stout (1913) 



This species, in view of its lower lip, gnathopods, and antennae, 

 may represent Ampithoe simulans Alderman (1936) (=A dalli 

 Shoemaker, 1938). Stout described it as an adult male but its gnath- 

 opods have all appearances of a female. The slender lobules of the 

 lower lip differentiate it from A. pollex Kunkel. A confusing feature, 

 because of its resemblance to A. lacertosa Bate, is the slight indication 

 of points on the pleonal epimera 2-3 of Stout's drawings but this 

 condition is noted also for A. simulans by J. L. Barnard (1965a). No 

 unquestionable adult male of A. simulans has been found in southern 

 California during this survey, although subadult males and adult 

 females have been identified. The writer hesitates to establish A. 



