Vatsa, the founder of the犢子部, Vātsīputrīyas (Pali Vajjiputtakas), one of the main divisions of the Sarvāstivāda (Vaibhāṣika) school; they were considered schismatics through their insistence on the reality of the ego; "their failure in points of discipline," etc.; thevinayaas taught by this school "has never reached China". Eitel. For other forms of Vātsīputrīya, v. 跋私; also 婆 and 佛.