A dissertation on the state of the Nestorians has swelled in the bands of Assemanni to a folio volume of 950 pages, and his learned researches are digested in the most lucid order. Besides this ivth volume of the Bibliotheca Orientalis, the extracts in the three preceding tomes (tom. i. p. 203, ii. p. 321 - 463, iii. 64 - 70, 378 - 395, etc., 405 - 408, 580 - 589) may be usefully consulted.