286 BULLETIN OF THE 



PLATE VII. 



Fig. 91. Ophiomifra incisa, from above ; f . 



Fig. 92. Ophiocamax fasciculata, from below ; \. 



Pig. 93. " " from above ; f 



Fig. 9i. " " arm-joiuts, profile ; \. 



Fig. 95. Ophiocopa spatula, from below ; f . 



Fig. 96. " " from above; f 



Fig. 97. " " arm-joints, profile ; \. 



Fig. 98. " " one of the flattened arm-spines ; ^^. 



Fig. 99. Ophiosciasma granulatum, from below ; ^. 



Fig. 100. " " from above ; f 



Fig. 101. " " a flattened arm-spine in its skin-bag ; ^-. 



Fig. 102. " " arm-joints ; \. 



Fig. 103. Ophiogeron supinus, from below ; ^. 



Fig. 104. " " from above ; f . 



Fig. 105. " " joints at tip of arm, from below ; |. 



Fig. 106. " " joints at tip of arm from above showing absence of 



upper arm-plates, and division of arm-bones into 



halves ; \. 



Fig. 107. " " joints at tip of arm, profile ; |. 



Fig. 108. Ophiocliondrus squamosus, from below ; ^. 



Fig. 109. " " from above ; f . 



Fig. 110. " " arm-joints, profile ; \. 



Fig. 111. " crassispinus, from below ; \. 



Fig. 112. " " from above ; '{. 



Fig. 113. " " arm-joints, profile ; |. 



PLATE VIII. 



Fig. 114. OpUomyxa serpentaria, from below ; \. 



Fig. 115. " " from above; f. 



Fig. 116. " " arm-joints, profile : \. 



Fig. 117. Ophiohyrsa serpens, from below ; f . 



Fig. 118. " " from above ; f . 



Fig. 119. " " arm-joints, profile ; \. 



Fig. 120. " hystricis, from below, showing the large tentacles ; |. 



Fig. 121. " " from above ; f . 



Fig. 122. " " arm-joints, profile ; \. 



Fig. 123. Hemieuryale tuberculosa, from below ; \. 



Fig. 124. " " from above ; ^. 



Fig. 125. " " base of arm, profile ; ^. 



Fig. 126. " " joints from middle of arm, from above ; \. 



Fig. 127. " " joints near tip of arm, profile ; \. 



