Febbuaey 21. Price 3*. 



THE JOURNAL 



0]? 



THE LINNEAN SOCIETY. 



Vol. XXIX. ZOOLOGY. No. 193. 



CONTENTS. 



Pago 

 I. Notes on a Skeleton of the MuRk-Duck, Biziura loba/a, 

 with Special llefereuco to Skeletal Cliaracters evolved 

 in relation to the Diving Habits of thia Bird. Ey 

 W. P. Ptcbaft, A.L.S., F.Z.S. (Plate 39.) 390 



II. On the Membranous Labyrinths of certain Sharks. By 



Charles Stewart, E.E.S., P.L.S. (Plate 40.) 407 



'ILL. Some Notes on the Life-History of Margaritifera 

 panasesai. By Arthur W. Allen, B.A. (Carnb.). 

 (Communicated by Bcv. T. E. E. Steubing, P.E.S,, 

 Sec. L.S.) 410 



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LONDON: 



SOLD AT THE SOCIETY'S APARTMENTS, BURLINGTON HOUSE, 



PICCADILLr, W., 



AND Br 



LONGMANS, GEEEN, AND CO., 



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AVILLIAMS AND NOEGATE. 

 1906. 



