INTRODUCTION

This Index is dedicated to the late Dr. Frank Springer, eminent world authority on Paleozoic crinoids and former honorary Associate in Paleontology in the United States National Museum. It was Doctor Springer’s earnest desire that a bibliography of all fossil Pelmatozoa should be made available to students, and it is in recognition of this wish that the present work covering the Paleozoic species was completed.

The Index is based on a working catalogue of genera and species assembled for Doctor Springer by his daughter Ada, now Mrs. Warren B. Davis of Philadelphia. This covered the earlier literature and was...