CONTENTS 



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PAGE 



Robert K. Nabours. Studies of Inheritance and Evolution in 



Ortliopteia I. (With Plate VI, 3 Text Figures, and 2 Diagrams) 141 



C. W. Richardson. A Preliminary Note on the Genetics of Fragaria. 



(With Plate VII and 4 Text Figures) 171 



W. E. Agar. Parthenogenetic and Sexual Reproduction in Sivto- 



cephalus vetulus and other Cladocera 179 



E. S. Salmon. On the Appearance of Sterile " Dwarfs " in Humulus 



Liqndus L. (With Plates VIII and IX) . ... 195 



I. B. J. SoLLAS. Note on the Offspring of a Dwarf-bearing Strain 



of Guinea Pigs 201 



C. J. Bond. On a Case of Unilateral Development of Secondary 

 Male Characters in a Pheasant, with Remarks on the Influence 

 of Hormones in the Production of Secondary Sex Characters. 

 (With Plates X— XIII) 205 



H. Drinkwater. Miuor-Brachydactyly. No. 2. (With Plates * 



XIV— XVI and 1 Chart) 217 



P. G. Bailey. Primary and Secondary Reduplication Series. (With 



1 Text Figure) 221 



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CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS 



