X Contents 



IX. The Animal Ecology op the Cold Spring Sand Spit, with Kemaeks 



ON the Theoby of Adaptation ______ 155 



By Charles Benedict Davenport, Associate Professor of Zoology and 

 Embryology 



X. The Finer Structure of the Neurones in the Nervous System 



OF THE White Rat (with Plates XIII, XIV) - - - - 177 

 By Shinkishi Hatai, Research Assistant in Nexu-ology 



XI. The Phylogeny of Angiospebms - 191 



By John Merle Coulter, Professor and Head of the Department of 

 Botany 



XII. Studies in Fat Necrosis - - - - -'- - - 197 

 By H. Gideon Wells, Instructor in Pathology 



XIII. Oogenesis in Saprolegnia (with Plates XV, XVI) - - - 225 



By Bradley Moore Davis, Assistant Professor of Botany [Hull 

 Botanical Laboratory] 



XIV. The Early Development of Lepidosteus Osseus (with Plates 



XVII, XVIII) -----_-_._ 259 

 By Albert Chauncey Eycleshymer, Assistant Professor of Anatomy 



XV. The Structure of the Glands of Brunner (with Plates XIX- 



XXIV) - - - - 277 



By Robert Russell Bensley, Assistant Professor of Anatomy 



XVI. Mitosis in Pellia (with Plates XXV-XXVII) - - - - 327 



By Charles Joseph Chamberlain, Instructor in Morphology and 

 Cytology 



XVII. A Description of the Brains and Spinal Cord of Two Brothers 

 Dead of Hereditary Ataxia. (Cases XVIII and XX of the 

 Series in the Family Described by Dr. Sanger Brown); (with 

 plates XXVIII-XXXIX) - 347 



By Lewellys Franklin Barker, Professor and Head of the Depart- 

 ment of Anatomy. With an Introduction by Dr. Sanger Brown 



