1983 Volume 18 Pages 313-318
The comparison of the quantitative evolution of the population and of that of the buildings reveals a contradiction in certain quarters of Paris, where the number of the buildings decreased while that of the population increased during the first half of the 19th century. This contradiction lead me to an estimation of the morphological transformations of the urban area. I came to a conclusion that the attachment of constructions to the existing buildings enabled the increase of the population in the much-densely-inhabited area.