Plate 55 



Fig. 1. Astrometis sertulifera. An abactinal straight pedicellaria t.65 mm. long, from a La Jolla 

 specimen, X25. la. Same; an intermarginal pedicellaria from a specimen labeled 

 Half Moon Bay, California; length 1.8 nun. The side view of this pedicellaria is 

 almost exactly like lb. 16. Same; side view of an intermarginal pedicellaria, length, 

 1.9 mm. X25. 



2, Astrometis sertulifera. A straight pedicellaria from the type of Orthasterias dawsoni; length, 



1.(3 mm. 2ii, inner surface of jaw, X25. 



3, 3a. Astrometis californica. Two views of an intermarginal straight pedicellaria, 1.8 



mm. long, X25. 



4, Astrometis sertulifera, type specimen. Crossed pedicellaria inner side of jaw, X 100. 4a 



and 46. Same; type. Two dorsolateral pedicellariae 0.32 and 0.36 mm. long, X 

 100. 4c. Same, specimen from La Jolla, outer face of jaw enlarged X200, showing 

 enlarged lateral tooth of the terminal lip. id. Same, Tepoca Bay, Gulf of California, 

 0.39 mm. long. Pedicellariae from this specimen varied from 0.3S to 0.44 mm. long. 

 X100. 4e. Same, La Jolla specimen, 0.43 mm., X 100. 



5, ha. Same; dorsal pedicellariae from type of Orthasterias dawsoni, 0.39 mm. long, X100. 



6, 6a. Astrometis californica. Two views of crossed pedicellariae of the type; 6, abactina 



6a marginal (0.44 mm.); X 100. 

 216 



