ACKNOWLEDGMENT
The writer wishes to thank the following friends who have been kind enough to lend the photographs used in the illustrations: Warren R. Austin, F. C. Hitchcock, Margaret Frieder, T. Severin and Rachel Snow.
The writer wishes to thank the following friends who have been kind enough to lend the photographs used in the illustrations: Warren R. Austin, F. C. Hitchcock, Margaret Frieder, T. Severin and Rachel Snow.