CONTENTS. 



I. On the Axial SJceleton of the StndMonidce. By St. George Mivart, F.R.S., Sec. 



L.S., Professor of Biology at TJniversitij College, Kensington .... page 1 



II. On the Ancient or Quaternary Fauna of Gibraltar, as exemplified in the Mammalian 



Bemains of the Ossiferous Breccia. By George Busk, F.B.S., F.Z.S., &c. . 53 



III. Ifotes on the Manatee (Manatus americanus) recently limng in the Society s Gar- 



dens. By A. H. G.iRROD, M.A., F.Z.S., Prosector to the Society . . . .137 



IV. On Dinornis (Part XXI.) : containing a Bestoration of the Skeleton of Dinornis 



maximus, Omen. With an Appendix, on Additional Evidence of the Gemis 

 Jixonioims in Australia. By Vroiessor Owe^, C.B , F.B.S., F.Z.S., etc. . 147 



V. On the Structure and Development of the Skull in Sharks and Skates. By W. K. 



Vkrkeu, F.R.S. 189 



VI. A Description of the Madreporaria dredged tip during the Expedition of H.M.S. 



^Porcupine' in 1869 and 1870. — Part II. By Professor P. Martin Duncan, 

 M.B. {Lond.), F.B.S., President of the Geological Society 335 



VII. On the Skull of the jEgithognathous Birds. — Part II. By V<. K. Parker, F.R.S., 



F.L.S., F.Z.S., &c 251 



VIII. On the Axial Skeleton of the Pelecanidce. By St. George Mivart, F.B.S., F.Z.S., 

 Professor of Biology at University College, Kensington 315 



IX. ^ Monograph of the Ostracoda of the Antwerp Crag. By George Stewardson 



Brady, 2I.D., F.L.S., C.M.Z.S., Professor of Naturcd History in the University 

 of Durham College of Physical Science, Neivcastle-upon-Tyne 379 



X. On the Brain of the Sumatran Bhinoceros (Ceratorhinus sumatrensis). By A. H. 



Garrob, M.A., F.B.S., Prosector to the Society 411 



XI. A further Contribution to the Knowledge of the existing Zipjhioid Wales. Genus 



Meso2:)lodon. .Sy Willlui Henry Flower, i^.i?.*S., V.P.Z.S 415 



