372 A. E. Verrill — Nort/i American Cephalo2)ods. 



Octopus Bairdii — Continued. 



In the last column, j. = yoimg ; /. = large ; m. or med. = medium size. 



Specimens of this species were kept, alive for several days, in order 

 to observe its habits. Several characteristic drawings, three of which 

 are now reproduced (Plate XXXIV, figs. 5, 6 ; Plate XXXVIII, fig. 

 8), were made from life by Mr. J. IT. Emerton, showing its difterent 

 attitudes. 



