March 7, 1905. 



Page 

 Dr. Albert A. Gray. Exhibition of a series of lantern-slides 

 of, and remarks upon, the Membranous Labyrinth of 

 certain animals 143 



Mr. Henry Scherren, F.Z.S. Exhibition of, and remarks 

 upon, illusti'ations of a Zebra in woi'ks by Aldrovandus 

 and Ludolphus 145 



Mr. J. Lewis Bonhote, F.Z.S. Remarks on the Hybri- 

 disation of Ducks, illustrated with specimens 147 



Mr. G. A. Boulenger, F.R.S. Exhibition of a series of Fishes 



from Lake Chad and the Shari River 151 



1. A Revision of the Fishes of the South- American Cichlid 



Genera Grenacara, Batracliops, and Crenicichla. By 



C. Tate Regan, B.A., F.Z.S. (Plates XIY. & XV.) ... 152 



2. Notes on a New Oribi Antelope from the Kenya District, 



British East Africa. By Capt. R. Meinertzhagem. 

 F.Z.S 169 



3. The Q^^cology and Deposits of the Cape Verde Marine 



Fauna. By Cyril Crosslakd, M.A., B.Sc, F.Z.S., 

 Carnegie Fellow and Fellow of the University of 

 St. Andrews 170 



March 21, 1905. 



The Secretar3^ Report on the Additions to the Society's 



Menagerie in February 1905 186 



Mrs. S. L. Hinde. Extract from a letter from, giving an 



account of an Antelope killing a bird 187 



Mr. Frederick Gillett, F.Z.S. Exhibition of, and remarks 

 upon, a photograph of a wounded Oryx hiding in 

 bushes "^ 187 



Mr. C. Tate Regan, F.Z.S. Exhibition of, and remarks 



upon, a series of sketches of Fishes of the Rio !N"egro ... 189 



