MONOGRAPH OF THK EXISTING CKINOIDS. 763 



PLATE 22. 



Pio. 1139. Portion of postradial series of specimen of Comanthus parricirra, showing light 



median line. (After P. H. Carpenter.) 

 1140. Proximal portion of Thalassometra agassieii. (After Hartlaub.) 



PLATE 23. 

 Perisomic structures of various comatulicls. 



FIG. 1141. Lateral view of young specimen of Thaumatoorinus renoratus, showing perisomic 

 plates of disk. (After P. H. Carpenter.) 



1142. Peristome of dry disk of Comatula Solaris, with origins of the ambulacra. (After P. 



H. Carpenter.) 



1143. Lateral view of young specimen of Tropiometra picta, showing interbrachial perisomic 



plates. (After P. H. Carpenter.) 



1144. Abnormal disk of Comatella stelllgera with two mouths and two anal tubes. (After 



P. H. Carpenter.) 



1145. Perisomic interbrachials of Antcdon Wfida. (After W. B. Carpenter.) 



1146. Same. (After W. B. Carpenter.) 



1147. Disk of Capillaster multiradiata with central mouth. (After P. H. Carpenter.) 



1148. Disk of Capillaster multiradiata with excentric mouth. 



PLATE 24. 

 Disks of various comasterids. (After P. H. Carpenter.) 



Fio. 1149. Comatula pectinata. 

 1150. Comaster 'belli. 



1151. Comantheria magniflca. 



1152. Comanthus parvicirra. 



1153. Cowan thina 



PLATE 25. 

 Disks of various comatulids. (After P. H. Carpenter.) 



Fio. 1154. Comanthus parvicirra. 

 1155. Zygometra microdiscus. 

 1156. Same. 



1157. Same. 



1158. Pentametrocrinus semperi. 



PLATE 26. 

 Disks of various comatulids. (After P. H. Carpenter.) 



FIG. 1159. Perixsometra angusticalym. 



1160. Charitometra toasicurva. 



1161. Poscilometra acoela. 



1162. Antedon bifida, with two mouths. 



1163. Atelecrinus lialanoides. 



1164. Atelecrinus wyvilUi. 



1165. Vertical section through dry disk of Oomatula Solaris. 



