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U.S. NATIONAL MUSEUM BULLETIN 25 8 



Figure 39. — Jassa falcata (Montagu), thin form, male, 3.7 mm., station 46-A-4: a, latera/ 

 view of body and coxae; b, end of gnathopod 2; c, d, pereopods 3, 4; e, gnathopod 1. 

 Male, 5.8 mm., station 39-H-2:/, pereopod 1; g, h, uropod 3; *, mandible; /, k, uropods 

 1, 2; /, mandibular molar with surrounding sketch for orientation; m, pereopod 2; n, o, 

 gnathopods 1, 2. 



algal turf on platform, moderately abundant (61 per sq. m.); Phyl- 

 lospadix on sand, present; vertical face with sponges, present, pt. 

 dume: pelvetiid grid, second most abundant species (343 per sq. m.) ; 

 Egregia holdfast, rare, corona del mar: Phyllospadix-corallme grid, 

 abundant (178 per sq. m.); Egregia stipe, rare; tunicate colonies at 



