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. 



ALIMENTARY SYSTEM ( ? maU ! ntestine 8ucceedin S stomach - 



Large intestine terminating in cloaca. 



Liver lobed. 



Pancreas or "sweetbread," pale coloured, near pyloric 



portion of stomach. 

 Spleen, red, near the commencement of twisted portion 



of intestine. 

 -. ( Dorsal aorta. 



ClKCULATOEY SYSTEM .... < T , . 



( Inferior vena cava. 



EESPIRATORY SYSTEM I Glottis > a slit in floor of P hai 7 nx leadin S into lun g a - 



( Left lung. 



I Eight ovary. 



I Oviduct, anterior coiled portion of right and terminal 



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



j Left kidney with ureter. 

 I 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 



CEsopHAGDS or gullet communicating with pharynx. 



STOMACH / Cardiac or anterior portion. 



\ Pyloric portion leading into intestine. 

 SMALL INTESTINE . j Duode'num forming a loop with the stomach. 



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



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



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



