DISEASES OF THE HEART 
63 
Table 3. 
Table Containing a Condensation of the Two Foregoing Tables and Showing 
Figures for Degenerations, Hypertrophy and Dilatations for 
Orders Having the Largest Number of Autopsies. 
Degenerations, &c. 
Hypertrophy 
Dilatation 
7.6 
.8 
.8 
11. 
2.1 
2.2 
8. 
0. 
4.2 
5.4 
1.2 
3. 
19. 
.6 
5. 
1.4 
0. 
0. 
6.7 
/./ 
0. 
.8 
0. 
0. 
3.4 
0. 
.1 
18.3 
4.3 
.5 
2. 
0. 
0. 
9.3 
.7 
.7 
4.1 
0. 
0. 
15.7 
.6 
1.5 
Primates. . . 
Carnivora. . 
Rodentia . . 
Ungulata. . 
Marsupialia 
Passeres ... 
Picariae. . . . 
Striges 
Psittaci. ... 
Accipitres. . 
Columbae . . 
Galli 
Herodiones . 
Anseres. ... 
Table 4. 
Table Showing Weight of Normal Heart in Relation to Body Weight. Number of 
Specimens used to Determine Weight Quoted in Parenthesis. 
Average Heart of 
Grams per Kilogram of Body.* 
Man 
( 4) 
5.67 
Primates 
( 4) 
6.56 
Carnivora 
( 6) 
6.78 
Rodentia 
( 5) 
5. 
Ungulata 
(10) 
5.8 
Marsupialia 
( 3) 
5.1 
Average 5.82 
Passeres 
(43) 
19.8 
Picariae 
( 9) 
21.3 
Striges 
( 4) 
7.33 
Psittaci 
( 6) 
8.89 
Accipitres 
( 7) 
12.32 
Columbae 
( 4) 
14.47 
Galli 
(16) 
11.08 
Fulicarise 
( 3) 
23.82 
Limicolae 
( 2) 
8.78 
Anseres 
(14) 
11.8 
Struthiones 
( 1) 
12.7 
Average 13.84 
♦These values are obtained in part from the literature, in part from our own specimens. 
At this laboratory the hearts of animals killed or dying from a short illness, organs showing 
no pathological change, were removed by cutting at the base of the vessels, washed free of 
blood and weighed. The weight of the whole animal was obtained after death. 
For meaning of italics see foot note Table 1. 
However, there are many reasons why great caution 
should be used in evaluating the relative size of the heart. 
Welcher showed in his work that the proportion is 
