30 



Dr. M. Khalil, D.P.H., gave a resume of his paper " A 

 Revision of the ISTematode Parasites of Elephants, with a De- 

 scription of Four new Species. 



The next Meeting of the Society for Scientific Business will 

 he held on Tuesday, April 25th, at 5.30 p.m., when the 

 following communications will be made : — 



The Secretary. 



Report on the Additions to the Society's Menagerie during 

 the month of March, 1922. 



R. J. Ortlepp, M.A. 



A new Species of the Nematode (Esophagostomuvi from the 

 Rodent Xerus setosus. 



Chas. F. Sonntag, M.D., F.Z.S. 



On the Anatomy of the Drill {Mandrillus leuco2yhceus). 



Dr. R. Broom, F.R.S., O.M.Z.S. 



On the Persistence of the Mesopterygoid in certain Reptilian • 

 Skulls. 



Arthur Loveridge. 



New Reptiles from Tanganyika Territory. 



The following Papers have been received : — ■ 



Ernest A. Elliott, F.E.S., F.Z.S . 



Monograph of the Family of the Stephanidse (Diptera). 



