THE TWO-GILLED GROUP 3303 



The largest 'of all the Cephalopoda belong to the genus Architeuthis , which in 

 general conformation considerably resembles Ommato strep he s. Many stories of 

 gigantic cuttlefishes appear in the works of old writers, and although, in the main, 



COMMON SQUID, WITH PEN ON THE 

 (Natural size.) 



