LIST OF ILLUSTRATIONS. XV 



Page. 

 FIG. 94. Ophiacantha aeanthinotata. X6. a, from above; 6, from below; 



c, side view of two arm joints near disk . . 203 



95. Ophiacantha anchilabra. X6. a, from above; b, from below; c, side 



view of two arm joints near disk 205 



96. Ophiacantha trachybactra. X4. , from above; b, from below; 



c, side view of two arm joints near disk 206 



97. Ophiacantha diplasia. X2.25. a, from above; b, from below; c, side 



view of two arm joints near disk 210 



98. Ophiacantha enneactis. X10. a, from above, showing one arm 



nearly complete; b, from below; c, side view of three arm joints 

 near disk 



99. Ophiacantha prionota. X5.5. a, from above; b, from below; c, side 



view of two arm joints near disk 214 



100. Ophiacantha cataleimmoida. X3. a, from above; b, from below: 



c, side view of two arm joints near disk 218 



101. Ophiacantha cedidisca. X5. a, from above; 6, from below; c, side 



view of three arm joints near disk 220 



102. Ophiacantha leucorhabdota. X3. a, from above; b, from below; 



c, side view of two arm joints near disk 222 



103. Ophiacantha eurypoma. X3.5. a, from above; 6, from below; 



c. side view of two arm joints near disk 223 



104. Ophiacantha lepidota. X10. a, from above; 6, from below; c, side 



view of two arm joints near disk " 224 



105. Ophiacantha enphylactea. X7. a, from above; 6, from below: c. 



side view of two arm joints near disk 226 



106. Ophiacantha hylacantha. <4.5. a, from above; 6, from below: e, 



side view of two arm joints near disk 227 



107. Ophiacantha atopostoma. X5. a, from above; b, from below: c, 



side view of two arm joints near disk 229 



108. Ophiacantha lambda. X5. a, from above: b. from below; c, side 



view of two arm joints near disk 231 



109. Ophiacantha lophobrarhia. X12. a, from above; b, from below; c. 



side view of three arm joints near disk 232 



110. Ophiacantha bathybia. <4. a, from above; 6. from below: c, side 



view of two arm joints near disk 234 



111. Ophiacantha leucosticta. X3. a, from above; 6, from below; c, 



three arm joints near middle of arm, seen from below; d, side view 



of two arm joints near disk 35 



112. Ophiacantha macrarthra. X25. a, from above: b, from below: c, 



side view of two arm joints near disk 



113. Ophiacantha megatreta. X2.25. a, from below; 6, side view of two 



arm joints near disk; c, upper view of three arm joints near middle 

 of arm 



114. Ophiolebesasapb.es. X6. . from above; 6, from below: c, side 



view of two arm joints near disk 



115. Ophiolebes brachygnatha. X5. a, from above: b. from below: c, 



side view of three arm joints near disk 



116. Ophiolebes pachybactra. <4.5 a, from above; b. from below: c, 



side view of two arm joints near disk 



117. Ophiolebes tylota. X5. o, from above; 6, from below; c, side view 



of two arm joints near disk 



118. Ophiolebes diaphora. <4.5. a, from above; 6, from below; c. siK- 



view of two arm joints near disk 245 



