led to the seperation of the Sangha.  From that time

　　　　 onward, different  schools of Hinayana Buddhist were

　　　　 established.  As time passed, a certain school would

　　　　 also serperated  into different sects.  This article

　　　　 shows  that among the totally  of eoghteen  Hinayana

　　　　 sects, seven  of them were  established  during  the

　　　　 regime of King `Asoka`.

　　　　　　 After King `Asoka` , who united India and become

　　　　 converted to Buddhism, he dispatched missionaries to

　　　　 the neighbouring countries, in four directions, in

　　　　 order to spread the Buddha's teaching.  When the

　　　　 monk-missionaries had arrived in the foreign lands,

　　　　 they probably were influenced by the new environment.

　　　　 Due to the foreign culture, new ideas of Buddhism

　　　　 were created.  Therefore, the above-mentioned seven

　　　　 Hinayana sects were formed.

　　　　　　 This article should also discusses  the sources

　　　　 from were the eighteen Hinayana sects derived:

　　　　　　 The `Mahisasaka` Sect, the Dharmaguptaka  Sect,

　　　　 the Haimavata  Sect and the `Tamrasatiya`  Sect were

　　　　 derived from the Arya-Sthavira School.

　　　　　　 The  Mula-Mahasamghika  Sect, the Lokottarvadin

　　　　 Sect, the Kukktika Sect, the Bahusrutiya Sect, the

　　　　 `Prajnaptivadin` Sect and the Caitika Sect were

　　　　 derived from the Mahasamghika School.

　　　　　　 The Vatsiputriya Sect, the Dharmottariya  Sect,

　　　　 the Bhadrayaniya  Sect, the sannagarika Sect and the

　　　　 Sammatiya  Sect　　 were　　 derived  from  the  Arya-

　　　　 Vatsiputriya School.

　　　　　　 The Mula-Sarvastivadin Sect, the Kasyapiya Sect

　　　　 and the Samkran-

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　　　　 tivadin Sect were derived from the Arya-Sarvastivadin

　　　　 School.

　　　　　　 As to the Dharma transmission  of the different

　　　　 sects, this article  demonstrates  that some of them

　　　　 were the religious  descendants  of Mahakasyapa  and

　　　　 Ananda.  While the others, however, were descendants

　　　　 of Upali, Aniruddha, Sariptutra  and  Rahula, and of

　　　　 Katyayana, etc.