Maynard M. Metcalf

1868 – 1940

• An outline of the theory of organic evolution
• Biology and industry
• Further studies on the opalinid ciliate infusorians and their hosts
• Metcalf and Bell upon Salipidae
• Notes upon an apparently new species of Octacnemus
• The excretory organs of opalina
• The influence of the plasticity of organisms upon evolution
• The research attitude of mind
• University research