LIST OF CONTENTS. 

 PART I.— 1893. 



January 17, 1893, 

 The Secretary. Report on the Additions to the Society's Menagerie in December 1892 1 



Mr. F. C. Salons, C.M.Z.S. Exhibition of, and remarks upon, the skull of an Antelope, 



believed to be a hybrid between the Sassaby and the Hartebeest 1 



Mr. Oldfield Thomas. Exhibition of, and remarks upon, three specimens of the Bornean 



Monkey, recently described as Scfniiopiffiecus cruciger o 



1. A proposed Classification of the HesperiidcB, with a Revision of the Genera. Bv Lieut. 



E. i'. Watson, Madras StaflF Corps, F.Z.S., F.E.S. (Plates I.-III.) ' 3 



2. Descriptions of new Species of Dipterous Insects of the Family Si/rphidce in the Collection 



of the British Museum, with Notes on Species described by the late Francis Walker. — 

 Part I. Bacc HIM and Brachyopinf. By E. E. Austen, Zoological Department, 

 British Museum. (Plates IV. & V.) I 132 



'.^. On two new Species of Copepoda from Zanzibar. Bv Gilbert C. Bourne, M.A. 



(Plate VI.) ' 164 



4. Remarks on a rare Argentine Bird, Xe)wpsaris albinucha. By P. L. Sclater, M.A., 



Ph.D., F.R.S., Secretary to the Society. (Plate VII.) '. 166 



February 14, 1893. 



The Secretary. Report on the Additions to the Societys Menagerie in January 1893 168 



Prof. G. B. Howes, F.Z.S. Exhibition of, and remarks upon, an abnormal sternum of the 



Common Marmoset 168 



Prof T. Jeffery Parker, D.Sc, F.R.S. Abstract of a Memoir on the Cranial Osteology, 



Classification, and Phylogeny of the BinornithidcB 170 



1. Note on the Coracoidal Element in Adult Sloths, with Remarks on its Homology. By 



R. Lydekker, B.A., F.Z.S 172 



2. On the present Range of the European Bison in the Caucasus. Bv Dr. G. Raddb, 



C.M.Z.S '. 175 



