This collection of essays by Thomas Henry Huxley, a prominent biologist and advocate for Darwin's theory of evolution, explores the scientific and philosophical implications of evolutionary thought in the late 19th century. Huxley, often referred to as 'Darwin's Bulldog' for his vigorous defense of evolutionary principles, presents arguments and analyses that were foundational to the acceptance of Darwinism. The essays address a range of topics, from the nature of scientific evidence to the societal impact of evolutionary ideas.

The essays within 'Darwiniana' are recognized as seminal works in the popularization and defense of evolutionary theory. Huxley's clear prose and logical arguments were instrumental in shaping public and scientific understanding of Darwinism during a period of intense debate. His contributions are often cited for their intellectual rigor and their role in establishing a scientific basis for understanding life's diversity. The collection remains a significant resource for understanding the historical reception and impact of evolutionary science.