PLATE V. 



Luidia maculata. 



80. Abactinal view. X 0.5. 



81. Actinal view, x 0.5. 



82. Moiitli-plates. R = 184:mm. x 4. 



83. Adambulacral and inferomarginal plates, 25 mm. from the base 



of an arm. 11 = 184 mm. x 4.5. 



84. Pedicellaria from an adambulacral plate, from near the base of 



an arm. Il = 184 mm. x 45. 



85. One of the three valves (^f the pedicellaria figured in 84. 



x 45. 



86. Another valve of same, x 45. 



87. PaxilLa from about the middle of an arm. x 45. 



88. Madreporite. R = 263mm. The upper side is tlie outer, x 6. 



Luidia yesoensis. 



89. Abactinal view. X 1. 



90. Actinal view, x 1. 



