CONTENTS. 



I. On DiNORNis (Part IV.) : containing the Restoration of the Feet of that Genus, and of 



Palapteryx, with a Description of the Sternum in Palapteryx and Aptornis. By 

 Professor Owen, F.R.S., F.Z.S., &fc page I 



II. Contributions to the Knowledge of the Animal of Nautilus pompilius. By J. van der 



HOEVEN 21 



III. On the Anatomy of the Indian Rhinoceros (Rh. unicornis, L.). By Professor Owen, 



F.R.S.,F.Z.S.,&ic 31 



IV. On DiNORNis (Part V.) : containing a Description of the Skull and Beak of a large 



Species of Dinornis, of the Cranium of an immature specimen of Dinornis gigan- 

 teus (?), and of Crania of Species of Palapteryx. By Professor Owen, F.R.S., 

 F.Z.S., S)C 59 



V. Notice of the Discovery by Mr. Walter Mantell, in the Middle Island of New 



Zealand, of a living specimen of the Notornis, a Bird of the Rail Family, allied to 

 Brachypteryx, and hitherto unknown to Naturalists except in a Fossil state. By 

 Gideon Algernon Mantell, LL.D., F.R.S., S^c 69 



VI. Remarks on Notornis mantellii. By J. Gould, F.R.S 73 



VII. Osteological Contributions to the Natural History of the Chimpanzees (Troglodytes) 



and Orangs (Pithecus). — No. IV. Description of the Cranium of an Adult Male 

 Gorilla from the River Danger, West Coast of Africa, indicative of a Variety of the 

 Great Chimpanzee (Troglodytes gorilla), with Remarks on the Capacity of the 

 Cranium and other characters shown by sections of the Skull, in the Orangs (Pithe- 

 cus), Chimpanzees (Troglodytes), and in different Varieties of the Human Race. 

 By Professor OwEti, F.R.S.,F.Z.S., &;c 75 



VIII. Osteological Contributions to the Natural History of the Chimpanzees (Troglodytes) 



and Orangs (Pithecus). — No. V. Comparison of the Lower Jaw and Vertebral 

 Column of the Troglodytes gorilla, Troglodytes niger, Pithecus satyrus, and dif- 

 ferent Varieties of the Human Race. By Professor Owen , F.R. S.,F.Z.S., S^c. 89 



IX. On the Anatomy of the Great Anteater (Myrmecophaga jubata, Linn.). Part I. By 



Professor Owen, F.R. S., F.Z.S., &ic 117 



