CONTENTS 



No. 1 (October 1917) 



PAGE 



Robert K. Nabours. Studies uf lulieiitauce ;uid Evulutiou m Orthop- 



tera. II. (With Plates J and II) 1 



Robert K. Nabour.s. Studies of Inheritance and Evuhttion in Orthop 



tei-a. Ill 47 



A. W. Bellamy. Studies of Inheritance and Evolution in Orthop- 



tera. IV. (With Plate III) 55 



No. 2 (February, 1918) 



A. B. Stout. Fertility in Cicliuriutu Iidi/bus : Self-Compatibility and 

 Self-Incompatibility among the Offspring of Self-Fertile Lines of 

 Descent. (With Plates IV— VI) 71 



JoHS. Schmidt. Racial Studies in Fishes. I. Statistical Investi- 

 gations with Zoarces vivipariis L. (With Plate VII and seven 

 text-figures) . . . • . . . .105 



J. S. W. NuTTALL. A Note on the Inlierilance uf Colour in One 

 Breed of Pigeons — An Attempt to Demonstrate a Mendelian 

 Type of Transmission . . . . . . . .119 



W. O. Backhouse. The Inheritance of Glume Length in Triiicum 



Polonicum. A case of Zygotic Inhibition. (With Chart) . 125 



Mrs Onera A. Meeritt Hawkes. Studies in Inheritance in the 

 Hybrid Philosamia (A(tacus)riciiti{]^o'itid) S x Philosamia cynthia 

 (Drury)?. (With Plate VIII and two text-figures) . . 135 



No. 3 (May, 1918) 



D. W. Cutler. On the Sterility of Hybrids l)etween the Pheasant 



and the Gold Campine Fowl. (With Plate IX) . . . 165 



C. W. Richardson. A Further Note on the Genetics of Frayaria . 167 



J. E. Hull. Gynandry in Arachnida. (With one text-figure) . 171 



M. C. Rayner. Notes on tlie Genetics of Teucrium Scorodonia cris- 



pum (Stansiield). (With Plate X) 183 



