The governor told them that they were not to partake of the most holy food, until there should be a priest to consult Urim and Thummim.
Here is an account, I. Of the priests that returned, and they were a considerable number, about a tenth part of the whole company: for the whole were above 42,000 (Ezr 2:64), and four families of priests made up above 4200 (Ezr 2:36-39); thus was the tenth God's part - a blessed decimation.
Commenting on Ezra 2:36-63
So that the far greatest part of them must walk on foot, since these can be thought to be little more than sufficient to carry their goods or baggage; some copies of the Vulgate Latin read six hundred and thirty six horses (c). (c) Ed. of Sixtus V. and the Lovain in James's Contrariety of Popish Bibles, p. 295.
Tirshatha--a title borne by the Persian governors of Judea (see also Neh 7:65-70; Neh 8:9; Neh 10:1). It is derived from the Persian torsh ("severe"), and is equivalent to "your severity," "your awfulness."