LIST OF CO^'TEINTS. 



1905.— Vol. 1. 

 Part II. 



March 7, 1905. 



Page 

 Dr. Albert A. Gx-ay. Exhibition of a series of lantern-slides of, and remarks upon, the 



Membranous Labyrinth of certain animals 143 



Mr. Henry Scherreo, F.Z.S. Exhibition of, and remarks upon, illustrations of a Zebra in 



works by Aldrovandus and Ludolphus 145 



Mr. J. Lewis Bonhote, F.Z.S. Remarks on the hybridisation of Ducks, illustrated with 



specimens 147 



Mr. G. A. Boulenger, F.R.S. Exhibition of a series of Fishes from Lake Chad and the 



Sliari River - 151 



1. A Revision of the Fishes of the South-American Cichlid Genera Cromcara, Batrackoj^s, 



and Crenicichla. By C. Tate Reg.'vn, B.A., F.Z.S. (Plates XTV. & XV.) 152 



2. Notes on a New Oribi Antelope from the Kenya District, British East Africa. By 



Capt. R. Meinertzhagen, F.Z.S 169 



3. The fficology and Deposits of the Cape Verde Marine Fauna. By Cyril Crossland, 



M.A., B.Sc, F.Z.S., Carnegie Fellow and Fellow of the University of St. Andrews . . 170 



March 21, 1905. 



The Secretary. Report on the Additions to tlie Society's Menagerie in February 1905 . . 186 



Mrs. S. L. Hinde. Exti-act 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 Negro , 189 



Mr. Macleod Yearsley, F.Z.S. Exhibition of an X-ray photogi-aph of a Snake with two 



Frogs within it 190 



Mr. R. B. Holding. Exhibition of Antlers of Deer showing arrest of development due to 



Castration 190 



1 . The Effects of Castration on the Horns of the Prongbuck {Antilocapra americana). By 



R. I. PocoCK, F.L.S., F.Z.S., Superintendent of the Gardens . . . . , 191 



2 Notes on the Mammals and Birds of Liberia. By Sir Harry H. Johnston, G.C.M.G., 



K.C.B., F.Z.S 197 



