s 



CONTENTS. 



PART I.— July, 1888. 



I. The Morphology of Cyclops and the Relations of the Copepoda. By Marcus M. 



Hartog, D.Sc., M.A., F.L.S., Professor of Natural History, Queen's College, 

 Cork. (Plates I.-IV.) page 1 



PART II.— July, 1888. 



II. Description of a new Genus and Species of Pyralidae, received from the Rev. J. 11. 



Hocking, from the Kangra Valley, Punjab, India. By the Right Hon. Lord 

 Walsingham, M.A., F.R.S., F.L.S. (Plate V.) 17 



PART III.— May, 1889. 



III. The Zoology of the Afghan Delimitation Commission . By J. E. T. Aitchisox. 



M.D., CLE., F.R.S., F.L.S. , Naturalist attached to the Mission, and Secretary 

 to the Surgeon-General, Her Majesty's Forces, Bengal. (Plates VI.-XIV., and 

 two Maps.) 53 



PART IV.— May, 1890. 



IV. Studies in the Morphology of the Lepidoptera. — Part I. ByW. Hatceett Jackson, 



M.A., F.L.S., Deputy Linacre Professor of Anatomy in the University of Oxford. 

 (Plates XV.-XIX.) 143 



PART V.— August, 1890. 



V. The External Morphology of the Lepidopterous Pupa : its Relation to that of the 



other Stages and to the Origin and History of Metamorphosis. — Parts I.— III. 

 By Edward B. Poulton, 31. A., F.R.S., F.L.S., of Keble and Jesus Colleges, 

 Oxford. (Plates XX. & XXI.) 187 



