V 



Page 



4. On the External Characters of the Lemurs and 



of Tarsias. By R. I. Pocock, F.R.S." (Text- 

 figures 1-16.) ..' 19 



5. A Classification of the Pyralid^e, subfamily Hypso- 



TBOPiNiE. By Sir George Hampson, Bart., F.Z.S. ... 55 



6. First Report on the Inheritance of Visible and 



Invisible Characters in Silkworms. By Miss Maude 



L. Cleghorn, F.Z.S. , F.L.S., F.E.S 133 



7. Notes on Cetacea, stranded on the British Coasts during 



1913-1917. By Sidney F. Harmer, Sc.D., F.R.S., 

 F.Z.S., Keeper of Zoology in the British Museum 

 (Natural History) 147 



8. On the Variation of the Pit- Viper, Lachesis atrox. By 



Miss Joan B. Procter, F.Z.S. (Text-figures 1-5.)... 163 



9. Report on Deaths of Animals in the Gardens in 1917. 



By J. A. Murray, M.D., B.Sc, F.Z.S., Director, 

 Imperial Cancer Research Fund, Pathologist to the 



Society 



183 



Alphabetical List of Contributors 



Vll 



Index 



XI 



