X Contents 



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



ON THE Theory op Adaptation ______ 155 



By Charles Benedict Davenpobt, Associate Professor of Zoology and 

 Embryology 



X. The Finer Structure op 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 op 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 [Hull 

 Botanical Laboratory] 



XIV. The Early Development op Lepidosteus Osseus (with Plates 



XVII, XVIII) - - - 259 



By Albert Chadncey Eycleshymer, Assistant Professor of Anatomy 



XV. The Structure op 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 op the Brains and Spinal Cord op Two Brothers 

 Dead of Hereditary Ataxia. (Cases XVIII and XX op 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 



