Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Originally published in 1927 as part of the Cambridge Psychological Library, this book emphasizes the importance of the biological foundations of psychology, with perception being the bridge between nerve processes and consciousness. Parsons, an ophthalmic surgeon, views problems of perception as being both biological and psychological issues in the conscious and behavioural lives of an animal. This book will be of value to anyone with an interest in the overlap between psychological and biological processes.

First published in 1924 as the second edition of a 1915 original, and part of the Cambridge Psychological Library, this book examines the chief theories on colour vision in the light of available facts at the time of publication. In the first section of the book, Parsons discusses the physical, anatomical and psychological bases of colour vision in a variety of eyes. The second part analyses colour blindness. The third and final segment evaluates the various theories of colour vision. This book will be of value to anyone with an interest in the history of science or colour vision.

Originally published in 1939, this book presents a comprehensive study of hydrophthalmia, also known as buphthalmia, incorporating information on causes, treatment and outlook as they were understood at the time of publication. An approach based on comparative anatomy and pathology is used, with analysis of Australian fauna such as ornithorhyncus, echidna, pseudochirus and dasyurus incorporated into the study. The text also provides descriptions of all the different methods of operative treatment which had been tried, with a thorough analysis of the results obtained by various surgeons. Numerous illustrative figures are included throughout. This book will be of interest to anyone with an interest in the history of medicine and ophthalmology.