559, 57 0, and Lehmann's monograph, Die Clementischen Schriften, Gotha, 1867, in which references will be found to other sources of information.
Dr Lehmann's archaeological and linguistic researches, especially in Salvador and Nicaragua, also enabled him to prove another very important fact, viz.
Parallelograms," in Lehmann's Beitrdge, i.
We shall not be astonished to find, therefore, in the Hellenistic states of Asia a population of peasants who seem to have been in a condition of hereditary subjection and adherent to the glebe on the great estates of the Seleucid kings (see Rostowtzew in Lehmann's Beitrdge zur alten Geschichte, ii.).