Fig. 



91. 



Kg. 



92. 



Fig. 



93. 



Fig. 



94. 



Fi?. 



95. 



Fig. 



96. 



Fia-. 



97. 



Fig. 



98. 



Fig. 



99. 



Fig. 



100. 



Fig. 



101. 



Fig. 



102. 



Fig. 



103. 



Fisj. 



104. 



Fig. 



105. 



Fig. 



106. 



Fig. 



107. 



Fig. 



108. 



Fig. 



109. 



Fie. 



110. 



Fis- 



111. 



Plate X. 



Pedicels of Spatangidae. 



P. 52—56. 



Tiie terminal part of a frontal pedicel in Abatus Philippii l,ov. 



Half the disk of a frontal pedicel in Heraiaster expergitus Lov. 



The terminal part of a frontal pedicel in Agassizia scrobiculata Val. 



A quadrant of the disk of a frontal pedicel in Moira atropos Lamck. 



The basal part of one of its laminfe. 



A part of the disk of a frontal pedicel in Aceste bellidifera Wyv. Thoms. 



The basal part of one of its laminfe; side view. 



The same, seen from the under side, 



The basal part of a laraina from a frontal pedicel in Kleinia luzonica Gray, frora tlie under side. 



A quadrant of the disk of a frontal pedicel in Schizaster fragilis DiJB. & Kor. 



A part of the disk of a frontal pedicel in Schizaster japonicus Al. Ag. 



The basal part of one of its laminae, from the under side. 



The same, from above. 



The tip of a simple frontal pedicel, in Maretia planulata Lamck.; side view. 



The same, in Metalia maculosa Gm.; side view. 



The top of a frontal pedicel in Metalia frontosa n.; seen from above. 



The same, from Lovenia elongata Gray; side view. 



The same; end view. 



Tlie same, spicular framework, in Spatangus purpiireus O. F. M.; side view. 



The tip of a simple, ventral pedicel, V, in Moira atropos Lamck. 



The same, in Schizaster japonicus Al. Ag. 



