220 ZOOTOMY. 



In the uninjured state the falciform ligament is continued backwards 

 attached to the middle ventral line of the abdomen. 



XXIV. Cut through the other side of the sternum in 

 the same way : lift up the keel, and gradually 

 extend both incisions forwards, using bone-forceps 

 when necessary, until the whole of the central part 

 of the sternum is removed : cut through each 

 coracoid at about its middle and remove its 

 ventral portion : also remove the furcula, and 

 enough of the lateral regions of the sternum, with 

 the sternal ribs, to bring all the viscera into view : 

 note, without disturbing anything : 



171. The reddish- brown liver, occupying the middle 

 region of the ccelorne, and consisting of a large right and a 

 small left lobe. 



, 172. The heart, very large in proportion to the size of 

 the animal, lying in the middle line in front of the liver, and 

 enclosed in a thin membrane, the pericardium. 



173. The duodenum, a pinkish, U-shaped loop of 

 intestine, passing from beneath the edge of the right lobe 

 of the liver to the posterior end of the coelome, and 

 consisting of a left or proximal and a right or distal limb. 



174. The pancreas, a compact reddish gland, lying 

 between the two limbs of the duodenal loop. 



175. One or two loops of the ileum (the chief part 

 of the small intestine) are seen towards the right of the 

 ccelome. 



176. The gizzard, a hard oval body, on the left 

 side of the body, just posterior to and partly concealed by 

 the liver. 



177. The distal end of the trachea, curving round the 

 left side of the crop to reach the ventral aspect of the 

 gullet, and almost immediately dividing into the two 



