CONTENTS. 



I. Osteological Contributions to the Natural History of the Anthrojmd Ajies. No VII. 



Comparison of the Bones of the Limbs of the Troglodytes Gorilla, Troglodytes 

 niger, and of different varieties of the Human Race ; and mi the general characters 

 of the Skeleton of the Gonlla. By Professor Owex, F.R.S., F.Z.S. &c. page 1 



II. On the Aye-Aye (Chiromys, Cuvier; Chii-omys madagascariensis, Besm.; Sciurus 



madagascariensis, Gmel, Sonnerat; Lemur psilodactylus, Schreber, Shaw). By 

 Professor Owen, F.R.S., F.Z.S. , &g .33 



III. On the Brain of the Javan Boris (Stenops javanicus, Illig.). By William Henry 



Flowek, F.R.C.S., F.L.S., F.Z.S., Conservator of the Museum of the Royal College 

 of Surgeons 203 



IV. Notice of a Collection of Nudibranchiate Mollusca made in India i^ Walter Elliot, 



Esq., with Descriptions of several New Genera and Species. By Joshua Alder 



and Albany Hancock, F.B.S. 113 



^ . On the Osteology of Gallinaceous Birds and Tinamous. 5^ W. K. Parker . . 149 



VI. Co7itributions to the Natural History of the Anthropoid Apes.— 'No. VIII. On the 



External Characters of the Gorilla (Troglodytes Gorilla, Sav.). By Professor 

 Owen, F.R.S., F.Z.S., &c 243 



VII. On the Placental Structures of the Tenrec (Centetes ecaudatus) and those of certain 



other Mammalia; with Remarks on the Value of the Placental System of Classi- 

 fication. By Professor Eolleston, F.R.S., F.Z.S., &c 285 



VIII. Description of the Skeleton of the Great Auk, or Garfowl (Alca impennis, L.). 

 By Professor Owen, F.R.S., F.Z.S., &c 317 



IX. On DiNORNis (Part IX.) : containing a Description of the Skull, Atlas, and Scapulo- 



coracoid Bone of the Dinomis robustus, Owen. By Professor Owen, F.R.S., 

 F.Z.S., &c 337 



X. On New or imperfectly known Species of Marine Ostracoda. By George Stewardson 



Brady , .... 359 



XI. On DiNORNis (Part X.) : containing a Description of part of the Skeleton of a flight- 



less Bird indicative of a New Genus and S])ecies (Cnemiornis calcitrans, Owen). 

 By Professor O^E^, F.R.S., F.Z.S., &c .3^9 j^ 



