CONTENTS 



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PAQB 



J. W. H. Harrison and L. Doncaster. On Hybrids between Moths 

 of the Geometrid Sub-Family Bistoninae, with an Account of the 

 Behaviour of the Chromosomes in Gametogenesis in Lycia (Bistori) 

 Hirtaria, Ithysia (Nyssia) zonaria and in their Hybrids. (With 

 Plates XVII and XVIII) 229 



Onera a. Merritt Hawkes. On the Relative Lengths of the First 

 and Second Toes of the Human Foot, from the Point of View of 

 Occurrence, Anatomy and Heredity. (With Plates XIX — XXI 

 and 6 Text Figures) 249 



Rose Haig Thomas. The Transmission of Secondary Sexual 

 Characters in Pheasants. (With Plates XXII— XXVI and 

 2 Text Figures) 275 



W. BowATER. Heredity of Melanism in Lepidoptera. (With Plate 



XXVII) 299 



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