1870.] four Orifices of the Heart. 2G9 



Horse, 



Circumference. Area. 



Tricuspid 9*25 in. 6*8 sq. in. 



Pulmonic 6*5 3*G 



Mitral 8 2 5'3 



Aortic 5*9 2 8 



Tricuspid _ 6 • 8 _ j . 

 Mitral ^3 



Pulmonic 3*6 , OQ - 



: ; = ~— A iOO 



Aortic 2-8 



Difference of the ratios = '002 



Donkey. 



Tricuspid 6*2 in. 3 06 sq. in, 



Pulmonic 4*1 P34 



Mitral 5-5 2*40 



Aortic 37 109 



Tricuspid __3-06_ 1 , 2> . 

 Mitral 2*40 / 



Pulmonic _ 1 '34 j .23 



Aortic 1 T 09 _ 



Difference of the ratios = *04 



Ox. 







... 7 5 



in. 



4-48 







4-8 





1-83 



Mitral 





6-6 





347 







4-2 





1-40 





Tricuspid 



_4-48_ 



1-29 







Mitral 



347 







Pulmonic 



_l-83_ 



1-30 







Aortic 



1-40 







Difference of the ratios = 



^01 









Calf 













in. 



2 











•81 



Mitral . . 









1-47 











•58 



