CONTENTS OF VOL. XX. 



[EIGHTH SERIES.] 



NUMBER 115. 



Page 



I. A Revision of tlie WasjDS of the Genus Tachytes inhabiting tlie 

 Ethiopian Region. By Rowland E. Turner, F.Z.S., F.E.S 1 



II. The Groups of the small and medium-sized Soutli-American 

 Felidcs. By R. I. Pocock, F.R.S 43 



III. Tlie Geographical Races of Galayo crassicaudatus. By 

 Oldfieli) Thomas 47 



IV. New Ileterocera from Dutch New Guinea. By J. J. Joicey, 

 F.L.S., F.Z.S., F.E.S., and G. Talbot, F.E.S. (Plates L-IV.) .... oO 



V. New Races and Aberrations of Heliconius. By J. J. Joicey, 

 F.E.S., and W. J. Kaye, F.E.S. (Plates V. & VI.) 87 



VI. On small Mammals from the Delta of the Parana. By Old- 

 field Thomas 95 



VII. Notes on the Hymen opterous Families Bethylidce and Hho- 

 palosomidce. By Rowland E. Turner and James AVaterston . . 101 



VIII. New GeometridcB in the Joicey Collection. Ey Louis B. 

 Prout, F.E.S. (Plate VII.) .......; 108 



IX. A new Genus of Ursidce. By R. I. Pocock, F.R.S 128 



