XVI LIST OF ILLUSTEATIONS. 



Page. 

 Fig. 119. Ophiolebes paucispina. X7. a, from above; b, from below; c, side 



view of two arm joints near disk 246 



120. Ophiolebes brevispina. a, young specimen, from above, X8. b, 



adult, from above, X6. c, from below, X6. d, side view of 

 three arm joints of adult, near disk, X6 248 



121. Ophiophrura liodisca. X6. a, from above; b, from below; c, side 



view of three arm joints near disk 249 



122. Ophiurases obstrictus. XIO. a, from above; b. from l)elow; c, side 



view of two arm joints near disk 251 



123. Ophiologimus hexactis. XIO. a, from above; 6. from below; f, side 



view of three arm joints near disk 252 



124. Ophiostyracium trachyacanthnm. X9. a, from above; b, from 



below; c, side view of three arm joints near disk 254 



125. Ophioschiza monacantha. X9. a, from above; b, from below; c, 



side view of two arm joints near disk 255 



126. Ophiomastix mixta. X3. a, from above; b, from below; c, side 



view of two arm joints near disk 256 



127. Ophiothrix koreana. X3. a, from above; b, from below; c, side 



view of two arm joints near disk 260 



128. Ophiothrix koreana. a, part of specimen from station 5055, from 



above, X6; 6, part of specimen from station 4878, from above, X8. . . 261 



129. Ophiothrix spiculata. X4.5. a, from above; b. from below; c. side 



view of two arm joints near disk 262 



130. Ophiothrix hylodes. X5. a, from above; 6, from below; c, side 



view of two arm joints near disk 263 



131. Ophiothrix panchyendyta. a, from above, X5; 6, from below, X5; 



c, side view of two arm joints near disk, X5; d, an upper arm plate, 

 X15; e, an under arm plate, X 15 ;/, a tentacle, X15 264 



132. Ophiothrix eusteira. X8. a, from above; b, from below; c, side 



view of two arm joints near disk 266 



133. Ophiothrix macrobrachia. X4.5. a, from above; b, from below; c. 



side view of two arm joints near disk 267 



134. Ophiobyrsa acanthinobrachia. X2.5. a, from above; 6, from below; 



c, side view of two arm joints near disk 269 



135. Ophiobyrsa synaptacantha. X4. a, from above; 6, from below; c, 



side view of three arm joints near disk 270 



136. Ophiomyxa anisacantha. X2.5. a, from above; b, from below; c. 



side view of two arm joints near disk 272 



137. Ophiophrixus acauthinus. X4. a, from above; 6, from below; c, 



side view of two arm joints near disk 273 



138. Ophiocynodus corynetes. X2. a, from above; 6, from below; c, 



side view of two arm joints near disk 275 



139. Ophiosyzygus disacanthus. X3. a, from above; b. from below; c. 



side view of two arm joints near disk 276 



140. Ophiohymen gymnodiscus. X6. a, from above; b, from below; c, 



side view of two arm joints near disk 278 



141. Ophioleptoplax megapora. X8. a, from above; b, from below; c, 



side view of two arm joints near disk 279 



142. Asteroporpa hadracantha. X7. a, from above; b. from below; c\ 



side view of three arm joints near disk 281 



143. Astrochele laevis. X2.5. a, from above; 6, from below; c, side 



view of three arm joints near disk 282 



144. Euryale anopla. X1.5. a, from above; b, from below; c, side view 



of three arm joints near disk 295 



