LIST OF TABLES 
PAGE 
1. The incidence of degenerative and inflammatory changes in' the heart. 5 1 
2. The incidence of hypertrophy and dilatation of the heart with princi- 
pal associated lesions 57 
3. A condensation of the important features of Tables 1 and 2 63 
4. The heart-to-body-weight ratios 63 
5. The incidence of arteriosclerosis 71 
6. The diflEerential percentage of the circulating leucocytes in a number 
of different animals 84 
7. The various types of splenitis 126 
8. The incidence of the various types of bronchitis and of pulmonary 
parasites 142 
9. The incidence of the various forms of pneumonia 150 
10. An analysis of cases of abscess and gangrene of the lung 156 
11. The incidence of gastro-entero-colitis, its distribution and an analysis 
of the causes 182 
1 2 . An analysis of the inflammations of the alimentary tract in Ungulata . 196 
13. An analysis of the inflammations of the alimentary tract in 
Marsupialia 200 
14. An analysis of the cases of pancreatitis, the associated pathology 
and the details of the anatomy of various orders 252 
15. The weight of the thyroid body in relation to body weight 318 
16. The incidence of the various enlargements of the thyroid body. . . . 326 
17. The incidence of cases of degenerative bone disease in the various 
orders 357 
18. The weight of the brain and the relation of this to the body weights 
in 196 animals 388 
19. An analysis of pathological conditions in terms of diet 423 
20. An analysis of the diets used in the Philadelphia Garden 426 
2 1 . The incidence of tumors 464 
22. An analysis of the breeding, captivity and visceral distribution of 
neoplasms, of tumor-bearing animals 466 
23. An analysis of the incidence, character and distribution of 
tuberculosis 486 
24. The incidence of parasites in the zoological orders 630 
25. The incidence of heterakis in pheasants 635 
26. The incidence of various parasitic orders and families 636 
27. The visceral distribution of parasites 639 
28. The occurrence of blood parasites in zoological classes 651 
vii 
