Page 

 Lk Souef, Albert, A. C, C.M.Z.S. 



Letter from, containing remarks upon the Hatching of two 

 Cygnets from one Egg of a Black-necked Swan 3i)0 



LuMHOLTZ, Carl, M.A., of the University of Christiania. 



Notes upon some Mammals recently discovered in Queens- 

 land 406 



LtJTKEN, Dr. Cii. W., F.M.Z.S. 



Letter from, containing remarks as to the possihility of 

 there being more than one Species of the Genus Tachyglossus 

 inhabiting Australia ....:. 150 



MiERS, E. J., F.L.S., F.Z.S., Assistant in the Zoological 

 Department, British (Natural History) Museum. 



On some Crustaceans from Mauritius. (Plate I.) 10 



MivART, St. George, Ph.D., F.R.S., V.P.Z.S., M.R.I., &c. 



On the Development of the Individual and of the Species 

 as Forms of Instinctive Action 4G2 



Norman, Rev. A. M., and Steering, Rev. T. R. R. 



Notice of the first part of a Memoir on the Crustacea 

 Isopoda of the 'Porcupine,' 'Lightning,' and 'Valorous' 

 Expeditions 562 



O'Halloran, J. C. 



Exhibition of a rare Lizard from Rodriguez 1 



OwEV, Sir Richard, K.C.B., D.C.L., F.R.S., F.L.S., F.Z.S., &c. 



Notice of the twenty-fifth of his series of Memoirs on 

 Extinct Birds of the Genus Dinornis 176 



Parker, T. Jeffrey. 



Abstract of a Memoir on Regalecus argenteus 207 



Parr, J. C, F.Z.S. 



Exliibition of, and remarks upon, a chick of the Vulturine 

 Gtiinea-Fowl hatched in Lancashire 4/7 



