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1 . An Account of the Geographical Distinbution of the Mar- 



supials and Monotremes of South-West Australia, having 

 special reference to the Specimens collected during the 

 Balston Expedition of 1904-1907. By G. C. Shortridge. 803 



2. Notes on some Amphipoda from the North Side of the 



Bay of Biscay. Families Pleustid^ and Eusirid^. 

 By Mrs. E. W. Sexton. (Plates LXXX. & LXXXI.)... 848 



3. Notes on some Aberrations in Oriental Lepidoptera, and 



on a new Form of Euschema from Sumatra. By Lt.-Col. 



J. Malcolm Fawcett. (Plate LXXXII.) 880 



4. Note on the Cetacean Sotalia bo7-neensis. By R. 



Lydekker 883 



December 14, 1909. 



The Secretary. Report on the Additions to the Society's 



Menagerie during the month of November 1909 884 



Mrs. R. Haig Thomas, F.Z.S. Exhibition of, and remarks 



upon, some skins of Hybrid Pheasants 884 



Mr. D. Seth-Smith, F.Z.S. Exhibition of a photograph of, 

 and remarks vipon, a nest built by a pair of Tufted 

 Timbres {Sco2nis umhretta) in the Gardens 885 



Dr. H. B. Fantham, F.Z.S. Exhibition of, and remarks upon, 

 microscopic preparations and sketches illustrating the 

 life-cycle of the Protozoiin Eimeria (Cocciclium) avium, 

 parasitic in the alimentary canal of Grouse 886 



Dr. C. W. Andrews, F.R.S., F.Z.S. Exhibition of a photo- 

 graph of the Robber Crab {Birgus latro) on Christmas 

 Island, with an account of its habits. (Plate LXXXIII.) 887 



Dr. R. T. Leiper, F.Z.S. Exhibition of the original specimens 

 of the Nematode Worm Acanthocheilonema dracuncio- 

 loides Cobbold 889 



1. On Change of Colour in a Specimen of Mellivora ratel 

 living in the Society's Gardens. By Dr. F. D. Welch, 

 r.Z.3 ■■ 889 



