OUR CONTRIBUTORS.

In response to numerous requests from our readers, we shall in succeeding issues say a few words of introduction concerning the various contributors to MESA VERDE NOTES.

Everett B. Laybourne, Temporary Ranger, Ohio State University, presents in his article the results of study and personal investigation bearing on the height of the Cliff Dwellers. He will enter Harvard Law School this fall.

Edna Davis Romig, of Boulder, Colorado, author of "Blue Hills" and "Lincoln Remembers," gives Mesa Verde readers her interpretation of man's relics and remains.

Lewis T. Barry, of Denver, member of the staff of the Colorado Museum of Natural History, contributes his second article on reptiles of the region. We hope for a complete series to cover this life of the Park.

Herbert Alberding, geologist Ranger from Northwestern University, is a veteran of several field trips in the Southwest. In this issue he explains the many curious concretions found in the Mesa Verde sandstone.

Harry T. Getty, Graduate Research student from the University of Arizona, has been detailed for work in the Park from Doctor Douglass' force. Dating of ancient ruins by the tree ring method is his current contribution.

Robert Burgh, Temporary Ranger, Purdue University, is a student in Archaeology who has to his credit excavation experience at the Lowry Ruin under Dr. Paul S. Martin of the Field Museum. "Mahatma," as he is known to us, plays physician to the ancient.

Lyle E. Bennett, Architect from Missouri University, has been with us for a number of years. The cover design and all text illustrations are the work of his pen.

P.R.F.