SQUIDS AND CUTTLE-FISHES. 20/ 



Cephalopods sometimes reach an enormous size. 

 Aristotle tells us of one which was five fathoms in 

 length, and even larger ones have been seen in recent 

 years. Some have been found with arms thirty feet 

 long and bodies nearly twenty feet. These gigantic 

 Squid have given rise to the tales of the Kraken. 



Paper Sailors or Argonauts. 



The Argonaut, or Paper Sailor, Figure 356, has 

 a very delicate and beautiful shell, and swims by 

 placing two of its arms, which are webbed, close to 

 the sides of the shell, and the others close together, 

 and then ejecting water from the funnel seen just be- 

 low the eye. The Argonaut is often called a Nautilus, 

 — the true Nautilus is another animal, — and it has 

 frequently been erroneously stated that it sails on the 

 sea by spreading its sail-shaped arms to the breeze. 



Octopus. 



The Octopus, or Poulp, Figure 357, has no outside 

 shell, and the arms are united at the base by a web. 

 It varies from one or two inches to two feet in length, 

 and has only eight arms. 



ScLuids, or Loligos, and Cuttlefishes. 



Squids have a long body ; broad, fin-like organs at 

 the hind extremity : and a long and slender internal 

 shell which, from its shape, is called a " pen." They 

 are from one to two feet and a half long, and, like Cut- 

 tlefishes, have ten arms, two of which are longer than 

 the others. By filling their body with water, and then 



