The nature and value of comparative pathology; primates - their features, classification and origins; growth and development in humans and primates - the determination of the age of humans and primates on the basis of dental development; ageing in humans and primates - senile amyloidosis, the cardiovascular system, the lungs, the central nervous system and special senses, the alimentary tract and digestive system, the liver, the lymphoreticular system, the haemopoietic system, the endocrine system, the skeletal system; degenerations, infiltrations and pigmentations - degenerations, infiltrations, pathological pigmentation, pathological calcification; thrombosis, disturbances of circulation and vascular disease - structure and fate of thrombi, the cause of thrombosis, the comparative frequency of thembosis and thromoemboli in humans and primates, oedema and congestion, pulmonary microlithiasis (microlithiasis alveolaris pulmonum, passive congestion of the liver, passive congestion of the spleen, passive congestion of the kidneys, the pathogenesis of vascular disease, thrombosis and the pathogenesis of some fibrocellular intimal thickenings, "plasmatic vasculosis" as a basis for vascular disease, raised and intraluminal pressure in the pathogenesis of vascular disease; the comparative pathology of inflammatory diseases, infective and non-infective, and parasites (host-parasite response); the comparative oncology of humans and primates; the cardiovascular system; the respiratory system; the alimentary tract; the liver, biliary tract and exocrine pancreas; diseases of the haemopoietic and lymphoreticular systems; the urinary system; diseases of the endocrine system in humans and primates; the male and female reproductive systems; the locomotor system; the central nervous system; the skin and its appendages.