The great virtue of this book is the excellent and extensive collection of photographs which for the most part are extremely well reproduced. Some of the horrible deformities and hideous diseases which may mar, deform, or ruin the fingernails, are set forth in a gallery of horrors which will pain the sensitive and bring shudders of anguish to chiropodists. This book will serve its main purpose for reference. Unhappily the index is by no means complete, dealing mostly with just the larger categories rather than the more precise things that one wishes to find. A number of errors of one kind and another creep in. Examples are the misquotation and misspelling of author's names, wrong Latin plurals, e.g., glomi, the statement that splinter hemorrhages are constant phenomena in bacterial endocarditis, the displaced emphasis on onycholysis in myxedema rather than in thyrotoxicosis, the Lamarckian notion that the ancestors of a healthy