INTERNAL ORGANS 



matism may be suspected as being at the root of the evil, 

 and efforts should therefore be made to locate the position 

 of the trouble and treat it ; but intermittent lameness may 

 also be the beginning of still more serious trouble, such as 

 navicular disease, which see ; also Rheumatism. 



Internal Organs. — The accompanying illustration show 

 the principal internal organs. 



■2/ 



'20 



19 



1 Brain. 



2 Septum Nasi. 



3 Tongue. 



4 Gullet. 



5 Windpipe. 



6 Lungs (showing Bronchial 



Tubes A A. A..) 



7 Heart. 



8 Liver. 



9 Large Intestine. 



10 Testicles. 



11 Urethra. 



12 Bladder. 



13 Rectum. 



14 Ureter. 



182 



15 Small Intestine. 



16 Kidney. 



17 Spleen. 



18 Stomach. 



19 Spinal Cord. 



20 Laryn.x. 



21 Pharvn.x, 



