Plate 33 



l.< ptastt Has polaris katherincu . except Figure 7 



Figure 1. Cotype Xo. Ill, abactinal crossed pedicellaria, 0.27 nun., ■ 200. 



la. Jaws from (left) a superomarginal and (right) an abactinal pedicellaria, 0.27 nun., 



X200. 

 16. Another type of abactinal pedicellaria, 0.26 mm., X100. 

 lc, 1(/, le. Adambulacral spine pedicellariae and parts; Id is the inside view of tip of jaw; 



lc, 0.3 nun. Long; all X100. 

 1/. Side view of carinal plate, showing three abactinal spines, X 10. 



2. 2«i. Xo. 1181, Museum of Comparative Zoology, Gulf of Georgia, two abactinal pedicel- 



lariae, the left 0.225 mm., X100. 



3. Xo. 110, Gray's 376 (smallest specimen), an abactinal crossed pedicellaria. 0.2:; mm., 



xioo. 



'.',c. .law of a pedicellaria from an adambulacral spine, 0.27 mm. 



4. 4a. Type, straight pedicellariae, intermarginal channel, 0.5 and 0.6 mm., X50. 

 46. From furrow spine, 0.375 mm., X50. 



4c. Valve of same from inside, X 100. 



id. Basal piece, X 100. 



ie. Valve of furrow spine pedicellaria, detached, 0.35 mm., X100. 



5. Xo. 110, Gray's 376, an adambulacral straight pedicellaria similar to those from other 



parts of the body, X100. 



6. Xo. 1181, M. C. Z.; an abactinal straight pedicellaria, X100. 



7. Leptasterias polaris acervata f. aphelonota. type, various spine-. < 10. 

 7, 7n. Inferomarginal. 



76. Superomarginal. 



7c. Subambulacral. 



7'/; a. it, <■. '/. Abactinal. 



288 



