From the departments of Orthodontics and Oral Surgery, Univ. of Minnesota.

Given at the biennial meeting of the Angle Society, Hilton Head, South Carolina, October, 1979.

From the department of Orthodontics Dental School, University of Maryland and the Department of Anatomy, Tufts University School of Medicine.

Read at the March 1980 reunion meeting of the Univ. of Illinois Alumni Association.

Read at the January, 1980 meeting of the Midwestern Component of the Angle Society. Supported in part by the National Institute of Dental Research Grant #DE 02862.

From the Department of Dental Radiology, Guy's Hospital, London.

From the Department of Developmental Dentistry, University of Southern California School of Dentistry.

Presented at the Edward H. Angle Society biennial meeting, October 1979.

This research was submitted in May 1969 to the Graduate Faculty of the School of Dental Medicine, University of Pittsburgh, in partial fulfillment of the requirements for the degree of Master of Dental Science.

Shown at the January 1980 meeting of the Midwestern Component of the Angle Society.

From the School of Dental Medicine, Tel Aviv University, Israel.