Plate 61 



Fig. 1. Lethasterias nanimt nsis chelifera. Abactinal skeleton between the carinals and adambulacrals 

 inclusive, near base of ray which is on the righl ; C, carinal plates; S, superomarginals; 

 /, inferomarginals; A, actinal plates; X5. In. Same, station 3611. An actinal 

 interradial straight pedicellaria, 1.9 nun. long, X25. 16. Same. A single jaw for 

 comparison with 2, ■ 25. lc. 1'/. Same, station 4796. Two views of an abactinal 

 straight pedicellaria, 1.35 mm. long. -25. le. Same, Bering Island, Vega Expedi- 

 tion. Two inferomarginal spines (4.6 and 4.8 mm.) X 10. 1/. Same, station 4796. 

 Two abactinal spines, 1.8 mm. long, same scale as le. Ig. Same, station 1796. Two 

 abactinal spines on same scale as lc and \<l, ■ 2.5. 

 2. Lethasterias nanimensis nanimensis, station 3464. One jaw of 26 and 2c, for comparison 

 with 16, <25. 2a. Same, station 3464, an actinal straight pedicellaria from near base 

 of ray, 1.6 mm. long, 25. 26 and 2c. Same. Two views of a straight pedicellaria 

 from the actinal interradial region, 2.5 mm. long, -25. 2d. Same, station 3464. 

 Two abactinal spines, 2.25 mm. long, 111. 2c. Same specimen; an inferomarginal 

 spine • 10. 

 222 



