PAPERS 



Pjige 



1. On the External Characters of existing Chevrotains. 



By R. I. PococK, F.R.iS., F.Z.S. (Text-tigures 1-5.) 1 



2. Report on Deaths of Animals in the Gardens in 1918. 



By J. A. Murray. M.D., Acting Hon Pathologist to 



the Society 13 



3. On a Collection of Fishes from Lake Tangaiij'ika, with 

 . Descriptions of three new Species. By G. A. Bou- 



LBNOER, F.R.S., F.Z.S. (Text-figures 1-3.) 17 



4. On the Skull and Affinities oi liana suhsigillaia A. Dum. 



By Miss JoAX B. Procter, F.Z.S. (Text-figures 

 1&2.) 21 



5. On the Breeding of Oryx gazella at Gooilust. By 



F. E. Blaauw, C.M.Z.S. (Plate I.) 29 



6. A Comparative Study of certain Sense-Organs in the 



Antenme and Palpi of Dipteia. By K. M. Smith, 

 A.R.C.S., D.I.C. With Appendix by Professor H. 

 Maxwell Lefroy, F.Z.S. (Plates I.-IV. and Text- 

 figures 1-43.) 31 



7. The Progressive Reduction of the Jugal in the Mam- 



malia. By Lancelot T. Hogben, B.A., B So 71 



8. Descriptions of two new Lizards and a new Frog from 



the Andes of Colombia. By G. A. Boulenger, F.R.S., 

 F.Z.S. (Text-figures 4 & 5.) 79 



9. A Unique Case of Asymmetrical Duplicity {Duplicitas 



asymmetros) in the Ciiick. By Noel Tayl^m', B.Sc. 

 (Lond.). (From the Zoological Department,^ Univer- 

 sity of London, LTniversity College.) (Plates I.-III. 

 and Text-figures 1 & 2.) 83 



10. Some Points in Insect Mechanics. B}' H. R. A. Mal- 



lock, F.R.S., F.Z.S. (Text-figures 1-8.) Ill 



