This work presents five studies that are parerga to the ongoing online edition of Euripidean scholia (EuripidesScholia.org). Among its highlights are evaluation of previous editions and argument for a more comprehensive treatment of annotations; a review of the traces in the scholia of views attributed to named ancient scholars; a discussion of a genre of annotation here termed ÒteachersÕ scholiaÓ and an edition of a miscellany of such notes on Hecuba; assessments of connections to Ioannes Tzetzes, Eustathius, and Planudes in Euripidean scholia; a thorough consideration of the script and dating of Marcianus graecus 471 (M); and clarification of the process of production of Vaticanus graecus 909 (V) as well as its dating.