highest development

In the kingdoms of Ḥíra and Ghassán Pre-islamic culture attained its highest development, and from these centres it diffused itself and made its influence felt throughout Arabia.

From A Literary History of the Arabs by Reynold Nicholson

Californica, A. de C. This species probably reaches its highest development in the Cascade range, in northern Oregon.

From The Nut Culturist A Treatise on Propogation, Planting, and Cultivation of Nut Bearing Trees and Shrubs Adapted to the Climate of the United States by Andrew S. Fuller

By an alliance of mutual affection and interests for life, it secures their highest development, and the most complete and undisturbed enjoyment of their benefits.

From Monks, Popes, and their Political Intrigues by John Alberger

There are some critics who claim that Karl Tausig represents the highest development of piano playing in this century of piano-playing heroes.

From Franz Liszt by James Huneker

Henry Lawson, an Australian, tells of the intelligence of the bushman at his highest development in a study entitled "His Colonial Oath."

From The Awful Australian by Valerie Desmond