to arrange it in such a fashion that it may be utilized in the classroom. I have therefore ventured, in the Notes and Illustrations and Appendix, to suggest some methods and material for the use of students.

I wish to express my obligations to Professor R. M. Alden, whose Introduction to Poetry and English Verse I have used in my own Harvard courses in poetry. His views of metre have probably influenced mine even more than I am aware. The last decade, which has witnessed such an extraordinary revival of interest in poetry, has produced many valuable contributions to poetic theory. I have found Professor Fairchild's Making of Poetry particularly suggestive. Attention is called, in the Notes and Bibliography, to many other recent books on the subject.

Professors A. S. Cook of Yale and F. B. Snyder of Northwestern University have been kind enough to read in manuscript certain chapters of this book, and Dr. P. F. Baum of Harvard has assisted me most courteously. I am indebted to several fellow-writers for their consent to the use of extracts from their books, particularly to Brander Matthews for a passage from These Many Years and to

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