72 



OUTLINES OP NATURAL HISTORY. 



"suckers," wliicli enable the animal to seize objects firmly, 

 and also to walk about head downwards at the bottom of 



Fig, 31.— A, The common Calamary {LoUgo vulgaris), reduced in size : a One 

 of the ordinary arms ; t One of the longer arms or " tentacles " B, Skel- 

 eton or "pen" of the same, one fourth natural size (after Woodward). 

 C, Side view of one of the suckers, showing the horny hooks surrounding 

 the margin. D, View of the head from in front, showing the bases of the 

 arms (a) and tentacles (f), the mouth {m), and the funnel (/). 



