PART I 

 TABLE OF CONTENTS 



INTRODUCTION 



ARTICLE William K. Gregory 



I Memorial of Bashford Dean, 1867^1928. 



Plates I-VIII (7 Portraits), text-figures 1 and 2, pages 1-42. 



page 



Eugene Willis Gudger and Bertram G. Smith 

 II The Segmentation of the Egg of the Myxinoid, Bdellostoma stouti, 



Based on the Drawings of the Late Bashford Dean 

 Plates I and II, text-figures 1 and 2, pages 43-62. 



43 



J. Leroy Conel 

 III The Genital System OF THE Myxinoidea : A Study Based on Notes and 

 Drawings of These Organs in Bdellostoma Made by Bashford Dean 

 Plates I-V, 1 text-figure, pages 63-110. 



63 



Anatol Heintz 

 IV The Structure of Dihichthts: A Contribution to Our Knowledge 



OF the Arthrodira 

 Plates I-IX, text-figures 1-91, pages 111-242. 



Ill 



Eugene W. Gudger and Bertram G. Smith 

 V The Natural History of the Frilled Shark, 



CHLAMrOOSELACHUS AHGUIHEUS 



Plates I-V, text-figures 1-31, pages 243-330. 



243 



III 



56610 



