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INTRODUCTION
of trance, after which the latter could remember nothing that he had previously known, and continued in this state until the Shaikh chose to restore him to the enjoyment of his ordinary faculties.
The writer acknowledges this indebtedness to several Muslim friends for information on some of the points discussed in this section and to Mr. M. O. Kokil for use of some of his valuable books. The writer's thanks are also due to Mr. M. Y. Haindaday, Advocate (O.S.). who was good enough to read through the whole section and make valuable suggestions. It may be stated that even when not expressly mentioned the writer has frequently drawn upon and adapted passages from the two very valuable books viz. 'The Darvishes' and 'Islamic Sūfism' and he acknowledges his indebtedness to the learned authors thereof.
