As the following articles have opened up a new field of enquiry, I have found it necessary to make them accessible to our scholars and students. I am thankful to the author, Professors Sylvain Levi, Jules Bloch and Jean Przyluski, for kindly permitting me to publish these translations in the form of a book. The introduction is meant for our students, and it does not pretend to be exhaustive. A number of similarities between Indo-Aryan and Austric words have been suggested by my friend and colleague Dr. S. K. Chatterji, and such suggestions have also occurred to me. As some of the words noted by us are popular vernacular terms, not usually registered in dictionaries, it was thought that their discussion might be a propos to the subject so brilliantly inaugurated by the eminent French ‘scholars’