Page 



CoBBOLD, T. Spencer, M.D., F.R.S., F.L.S,, Correspondent of .the 

 Academy of Sciences of Philadelphia. 



Trematode Parasites from the Dolphins of the Ganges, Plata- 

 nista gangetica and Oreella brevirostris. (Plate X. and wood- 

 cnt.) 35 



OoLLETT, Robert, Esq., Conservator, Universitj^ Museum, Chris- 

 tiania, O.M.Z.S., &c. 

 On Myodes letmnus in Norway 327 



Crotch, W. Duppa, Esq., M.A., F.L.S. 



On the Migration and Habits of the Norwegian Lemming .... 27 



Additional Note relative to the Norwegian Lemming 83 



Further Remarks on the Lemming. (Plate XIII.) 157 



Day, Francis, F.L.S., F.Z.S., &c. 



On some Irish Gasterostei. (With a woodcut.) 110 



Geographical Distribution of Indian Freshwater Fishes : — 

 Part I. The Acanthopterygii, Spiny-rayed Tp^'^'^stepn Fishes. 138 



Part II. The Silnridje 338 



On Amphibious and Migratory Fishes of Asia. (With a wood- 

 cut.) 198 



Doran, Alban H. G., F.R.C.S. 



Morphology of the Mammalian Ossicula auditus, (Abstract.) . . 185 



Etheridge, Robert, Jun., F.G.S., and Prof. Nicholson, M.D., 

 D.Sc, F.R.S.E., F.L.S. 



Notes on the Genus Alveolites, Lamarck^ and on some allied 

 Forma of Palaeozoic Corals. (Plates XIX. and XX.) 358 



Gunther, Dr. A., F.R.S., F.L.S., Keeper of the Zoological Depart- 

 ment, British Museum. 



Notice of two large Extinct Lizards, formerly inhabiting the 

 Mascarene Islands. (With 6 woodcuts.) 322 



Lubbock, Sir John, Bart., M.P., F.R.S., F.L.S., D.C.L., Vice-Chan- 

 cellor of the University of London. 



Observations on the Habits of Ants, Bees, and Wasps. — Part 

 IV. (Plate XVII. and 7 woodcuts.) 217 



M'Intosh, W. C, M.D., F.R.S.E., F.L.S., &c. 



Note on a new Example of the Phyllodocidse {Anaitis rosea) . . 215 



M'Lachlan, R.,.Esq., F.R.S., F.L.S., &c. 



On the Nymph-stage of the Embidse, with Notes on the Habits 

 of the Family, &c. (Plate XXI.) 373 



