NUTRITION IN THE ANNELIDA. 79 



are much longer than the rest, and terminate in two blind 

 sacs, between which is situated a tortuous intestinal tube.* 



at a meeting- of the Royal Society. See the abstracts of the proceedings in 

 the Society, for June, 1833. 



* In both these figures, t is the tubular tongue, projected from tlie mouth. 

 In Fig, 263, e are the six eyes, situated on tlie extremity whicli coiresponds 

 to the head; and a double longitudinal row of white tubercles is also visible, 

 extending along the back of the animal, e, in Fig. 264, is the entrance into 

 a cavity, or pouch, provided for the reception of the young. See Johnson, 

 Phil. Trans, for 1817, p. 343, 



