MONOGRAPH OF THK EXISTING CRINOIDS. 763 



Platk 22. 



Fio. 1139.— Portion of postradial series of speelmon of Comanthtis parrinrra, sliowinj; lislit 

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

 1140. — Proximal portion of Thalassonietra agasshii. (After Hartlaub. ) 



Plate 23. 



Perisomic struciures of imrious comatuUds. 



Fio. 1141. — Lateral view of .voung; specimen of Thaumatoorinvs renoratus, sbowiug perisomic 



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

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



H. Carpenter.) 

 1143. — Ijiteral view of young specimen of Tropiometra picta, showing inferbrachial perisomic 



plates. (After P. H. Carpenter.) 

 1144. — Abnormal disk of Comatella stellifjcro with two mouths and two iinal tubes. (After 



P. H. Carpenter.) 

 1145.— Perisomic interliraehials of Anicdon bifida. (After W. B. Carpenter.) 

 1146.— Same. (After W. B. Cnrpenter.) 



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

 1148.— Disk of Capillaster muUiradiata with excentric mouth. 



Plate 24. 



Disks of rariouH coma.<<terids. (After P. H. Carpenter.) 



Pig. 1149. — Comatula pcctinata. 

 IWO.—Comaster belli. 

 1151. — Comantheria magnifica. 

 1152. — Comanthus parricirra. 

 11.'53. — Comanthina xchlegclil. 



Platk 25 



Disk.i of various comatuUds. {After P. 77. Carpenter.) 



Fio. 1154. — Comanthus parvicirra. 

 1155.— Zygometra microdi.icus. 

 1156.— Same. 

 1157.— Same. 

 1158. — Pentametrocnnus semperi. 



Plate 26. 



Di-^ks of various comatuUds. (After P. H. Carpenter.) 



Fig. 1159. — Perissomctra angustiealyx. 

 1160. — Charitoinetra ba.wurva. 

 1161. — Pwcilometra ac.ala. 

 1162. — Antedon bifida, with two mouths. 

 1163. — Atelecrinus halanoides. 

 1164. — Atelecrinus icyvillii. 

 1165. — Vertical section through dry disk of Comatula Solaris. 



