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CONTENTS. Chapter 1. .The Task of the Work; The subject of the Work is the agriculture of North Ame­ rica as an example for the study of the laws of agricultural geography and dynamics. Attention to this example is com­ pelled by the exceptional qualities of the agricultural statistics of North America. The present Work endeavours t6 treat its descriptive part as auxiliary and subordinate to the purposes of generalisation. Chapter 2. Development of the Ideas and Methods of Agri­ cultural Geography. Early attempts at studying the distribution of agricultural plants. Thiinen as the founder of the theory of agricultural geography. To Thflnen may be traced the origin of the two leading ideas of.agricultural geography: the idea of legitimacy in the localization of the various systems of agriculture, and the idea of the relativity of the preference for one system or another. Feeble penetration of Thunen’s ideas into science until very recently. Engelbrecht as the founder of the empiri­ cal trend in agricultural geography. The basis task of agricul­ tural geogaphy was conceived by Engelbrecht to-consist of. the empirical embodiment of Thunen’s theory of the agricultural zones. In direct contact with Engelbrecht is the Russian trend in agricultural geography as propounded by Prof. A. N. Tsche- lintzev. The progress of agricultural geography in the researc­ hes of the Engelbrecht-Tschelinlzev school. German and English literature, on the whole, ’are outside of this progress, as they adhere mainly to the old methods Of characterising agricultural geography by absolute statistical indications. The traditional methods tackle but feebly the fundamental theoretical task of agricultural, geography: the establishment of the types of agri­ culture. This task finds its definite statistical solution in the researches of the Engelbrecht-Tschelinzev school. By the aid of the system of production-indexes, Engelbrecht and Tschelinteev Электронная Научная СельскоХозяйственная Библиотека