FISHERY BULLETIN: VOL. 75, NO. 1 



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FIGURE 9. — Structural variation in vulvae of female Geryon quinquedens. Portions of thoracic sternites V, VI, VII 

 illustrated, a. First form, slitlike, from 20-mm CL crab. b. Recurved, closed, 66 mm CL. c and d. Irregular shape, partially 

 open, 74-mm and 71-mm CL crabs, respectively, e. Oval, gaping, 68 mm CL. f. Oval, enlarged, with blackened margins, 90 

 mm CL. 



100 



