DESCRIPTIOX OF OPISTHOTEUTHIS DEPRESSA N. SP. ^-J^- 



<i. 1 1., Arm-base. 



///•. '(., Branchial opeuiuf!;. 



/(/((•. /;., Buccal body. 



c. //., Cerebral ganglion. 

 cte., Cœcum. 



d. c, Dorsal cartilage. 



e. h., Eye-bulb, right. 

 ///., Intestine. 



/., Liver, right lobe. 

 ()/>. ij., Optic ganglion, right. 

 p. fj., Pedal ganglion. 

 St., Stomach. 

 Other letterings as in foregoing tigm-es. Dotted line indicates the upper surface 

 of arms. 



