Prof. J. P. Hill, F.R.S., exhibited, and made remarks upon, 

 a series of lantern-slides of the Fcstus of a Three-toed Sloth 

 [Bradypus tridactylus) . 



Lt.-Ool. S. MoNCKTON CoPEMAN, M.D., F.R.S., gave an account 

 of the capture of a rare Parasitic Fly, Hammomyia {Hylephila) 

 unilineata Zett. 



Mr. D. M. S. Watson, F.Z.S., gave a resume of his paper on 

 the " Basis of Classification of the Theriodontia." 



The next Meeting of the Society for Scientific Business will be 

 held on Tuesday, February 22nd, 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 January, 1921. 



Professor Elliot Smith, F.R.S., F.Z.S. 



Exhibition of photographs of live examples of Tarsms. 



A. Mallock, F.R.S., F.Z.S. 



Colour-production in relation to the coloured feathers of 

 Birds. 



E. DuKiNFiELD Jones, F.E.S., F.Z.S. 



Descriptions of new Moths from South-East Brazil. 



J. Stephenson, D.Sc, F.Z.S. 



Morphology, Classification, and Zoogeography of Indian 

 Oligochseta. 



Dr. N. S. Lucas, F.Z.S. 



Report on Deaths in the Society's Gardens during the Year 

 1920. 



R. Broom, D.Sc, F.R.S., C.M.Z.S. 



On the Structure of the Reptilian Tarsus. 



