Variation in Animals and Plants

The book will form a valuable student manual in the field of general biology. It is clear and concise in style and is remarkable free from technical terms and mathematical formula, considering the fact that it deals largely with statistical methods. It is divided into three parts, part one includes a brief explanation of the statistical methods employed in the study of variation, a remarkably clear presentation of the difficult subject of corrected variations, and a discussion of dimorphism. The treats the efforts on organisms of external conditions, such as temperature light and moisture.