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Page 



HoGBEN, L. T., F.Z.S., and Spaul, E. A. 



Exhibition of, and remarks upon, effect of Pineal 

 Gland administration on Frog Tadpoles 644 



Lt5 SouitF, A. S., C.M.Z.S. 



Exhibition of photographs illustrating the early Life- 

 history of Ornithorhynchus 887 



Lloyd, J. H., M.Sc, F.Z.S. 



Abnormalities in the Common Frog. (Text-figure 1.) 493 



Matsumoto, H. 



Megalohyrax Andrews and Titanohyrax, g, n. — A Re- 

 vision of the Genera of Hyracoids from the Fayum, 

 Egypt. (Text-figures 1-6.) 803 



Maulik, S., F.Z.S. 



New Indian Drilid Beetles. (Text-figures 1-5.) 579 



McMuBRiCH, J. Playfair, C.M.Z.S. 



Note on the Systematic Position and Distribution of 

 i\\e Actix\\?i\\ S agar tiahicke.. (Text-figures 1-4.) 729 



Mitchell, Dr. P. Chalmers, C.B.E., F.R.S. (Secretary to 

 the Societ}'). 



Report on the Additions to the Society's Menagerie 

 during the month of April, 1 921 644 



Exhibition of, and remarks upon, photographs of the 

 Death mask of a young Gorilla 645 



Report on the Additions to the Society's Menagerie 

 during the months of May, June, July, August, and 

 September, 1921 , 883 



Report on the Additions to the Society's Menagerie 

 during the month of October, 1921 886 



