30 



FIG. 3. THE LIMBS on the left side are removed, together with the left walls of the cerebro-spinal, 

 thoraco-abdominal, and buccal cavities. The alimentary canal is laid out to display it to 

 advantage - 



Mouth with posterior nostril, and Eustachian recess con 

 tinuous with tympanic cavity. 

 Tongue turned forward to show its attachment. 

 Teeth in upper jaw and on palate. 

 Stomach. 



/ Small intestine succeeding stomach. 

 ALIMENTARY SYSTEM . . . . \ T .. . * . . 



Large intestine terminating in cloaca. 



Liver lobed. 



Pancreas or &quot;sweetbread,&quot; pale coloured, near pyloric 



portion of stomach. 

 Spleen, red, near the commencement of twisted portion 



of intestine. 



( Dorsal aorta. 

 CIRCULATORY SYSTEM .... &amp;lt; T . . 



( Inferior vena cava. 



EESPIKATORY SYSTEM j fff a sUt in flo0r of ^^^ leadin S into lun S 3 



( Left lung. 



j Eight ovary. 



I Oviduct, anterior coiled portion of right and terminal 



RENAL AND REPRODUCTIVE SYSTEMS ( dilated portion of left (see PL XXII. fig. 8). 



j Left kidney with ureter. 

 ( Urinary bladder, bilobed. 



NERVOUS SYSTEM Brain and spinal cord. 



SKELETON Vert ebral column enclosing spinal cord, and Skull enclosing 



brain. 

 FIG. 4. ALIMENTARY CANAL removed from body 



(ESOPHAGUS or gullet communicating with pharynx. 



f Cardiac or anterior portion. 



STOMACH f . . 



( Pyloric portion leading into intestine. 



SMALL INTESTINE -[ Duode num forming a loop with the stomach. 



( Heum, the twisted portion (Gr. eilein, to twist). 

 LAKGE INTESTINE f Colon, the dilated portion into which the ileum opens. 



( Rectum (L. the seat) opening into cloaca. 



