CONTENTS. 



PART VIII.— June 1879. 



XXI. The Butterflies of Malacca, By Arthur Gardiner Butler, F.L.S., F.Z.S., 

 Senior Assistant in the Zoological Department, British Museum. (Plates 

 LXVIII., LXIX.) page 533 



XXII. On certain Organs of the Cidaridce. By Charles Stewart, Esq., F.L.8., 

 M.R. C.S., Lecturer on Comp. Anat. St. Thomas's Hospital. (Plate LXX.) 569 



XXIII. On Hypsiprymnodon, Bamsay, a Genus indicative of a distinct Family (Pleopo- 

 didse) in the Diprotodont Section of the Marsupialia. By Prof. Owen, C.B., 

 F.B.S., F.D.S., 8fc, Superintendent of the Natural-History Departments in the 

 British Museum. (Plates LXXL, LXXII.) 573 



XXIV. Descriptions of some minute Hymenopterous Insects. By J. O. ~Westwood,M.A., 

 F.D.S., &c. (Plate LXXIII.) 583 



Index 595 



