This book contains 59 scientific papers on a variety of subjects by celebrated British biologist Sir William Bate Hardy (18641934).Sir William Bate Hardy (18641934) was a celebrated British biologist and member of the Royal Society. This book contains his 59 scientific papers on a variety of subjects, reflective of his interdisciplinary attitude to scientific topics, written between 1891 and 1933.Sir William Bate Hardy (18641934) was a celebrated British biologist and member of the Royal Society. This book contains his 59 scientific papers on a variety of subjects, reflective of his interdisciplinary attitude to scientific topics, written between 1891 and 1933.Sir William Bate Hardy (18641934) was a celebrated British biologist and member of the Royal Society, whose scientific aims were summarized by Sir Hugh Anderson in the following terms: 'Hardy once observed a cell divide under a microscope, and wondered why.' This book contains his 59 scientific papers on a variety of subjects, reflective of his interdisciplinary attitude to scientific topics, written between 1891 and 1933. This volume will be of value to anyone with an interest in Hardy's academic career and legacy.1. On some points in the histology and development of myriothela phrygia; 2. On the reaction of certain cell-granules with methylene blue; 3. The blood corpuscles of the crustacea, together with a suggestion as to the origin of the crustacean fibrin-ferment; 4. The protective functions of the skin of certain animals; 5. On the structure and functions of the alimentary canal of daphnia; 6. On the characters and behaviour of the wandering (migrating) cells of the frog, especially in relation to micro-organisms; 7. On the changes in the number and character of the wandering cells of the frog induced by the presence of urari or of bacillus anthracis; 8. The morphology and distribution of the wandering cells of mammalia; 9. On some histological features and physiological properties of the post-oesophlă