36 



FIG. 3. TIIE 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. 



Large intestine terminating in cloaca. 



Liver lobcd. 



Pancreas or "sweetbread," pale coloured, near pyloric 

 portion of stomach. 



Spleen, red, near the commencement of twisted portion 

 of intestine. 



\ 



( Dorsal aorta. 



( Inferior vena cava. 



ALIMENTARY SYSTEM 



CIRCULATORY SYSTEM 



RfiSPIEATORY SYSTEM 



( Glottis, a slit in floor of pharynx leading into lungs. 

 ( Left lung. 



Eight ovary. 



Oviduct, anterior coiled portion of right and terminal 



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



I 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. 



( Cardiac or anterior portion. 



STOMACH { _ , . , ,f . , . , .. 



( Pyloric portion leading into intestine. 



J Duode'num forming a loop with the stomach. 

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



LARGE INTESTINE . \ Colon, the dilated portion into which the ileum opens. 



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



SMALL INTESTINK . 



