X Contents 



IX. The Animal Ecology of the Cold Spring Sand Spit, with Remabks 



ON the Theory op 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 Neurology 



XI. The Phylogeny of Angiosperms - 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 [Hdll 

 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 



