This rare 1953 publication, volume 122 of the Smithsonian Institution series, is a must-have for entomology enthusiasts and those interested in natural science. Authored by R.E. Snodgrass, this thesis/dissertation focuses on the metamorphosis of a fly's head and explores the microcosm of entomology with great detail. The book is in paperback format and written in English. The publication is suitable for readers of all levels, from high school students to adult learners, and provides a comprehensive understanding of the subject area. Whether you are a beginner or an advanced learner, this book is perfect for you. It covers topics such as science, biology, ecology and more. Add this rare gem to your collection today!