MUSEUM OF C^OMl'AUATIVE ZOOLOGY. 287 



Fig. 138. Ophiobrachioii uncinatas, froni below ; \. 

 Jig. 129. " " tVoia above ; \. 



Fig. 130. " " urm-joiuts, profile. Tlie arm-hooks have all 



fallen, leaving their little mamelous ; \. 

 Fig. 131. " " an arm-hook ; \. 



Fig. 132. Ophiocreas spiiiulosus, from below ; f . 

 Fig. 133. "' " from above ; f. 



Fig. 134. " " joints near base of arm, profile ; \. 



F'ig. 135. " " joints near tip of arm, pro tile ; \. 



Fig. 136. Astronyx Loveni (young), from below; '^^. 

 Fig. 137. " " from above ; y^. 



Fig. 138. " " arm-joints, profile ; ^if . 



