CON DEN ES. 
I. On Risso’s Dolphin, Grampus griseus (Cwv.). By WitttaM Henry Fiower, F.2.S., 
F.R.CS., V.P.Z.S., Hunterian Professor of Comparative Anatomy and Conservator 
of the Museum of the Royal College of Surgeons of England . . . .« page 1 
Il. A List of the Birds known to inhabit the Island of Celebes. By Artuur, Viscount 
WALDEN, JUR.S.; President:of the Society. 0. 22. 93) eno then ete yee 
IIL, Appendix to a List of Birds known to inhabit the Island of Celebes. By ARTHUR, 
Viscount WaupEn, F.R.S., President of the Society . . . . . . . . 109 
IV. On Divornis (Part XVII.): containing a Description of the Sternum and Pelvis, 
with an attempted Restoration, e Aptornis defossor, Ow. By Professor OWEN, 
PET IS. FeliS Oss? ne Meee ica kG, ve Soa 
V. On the Form and Structure of the Manatee (Manatus americanus). By Dr. JAMES 
Mort, F.L.S., F.G.8., &c., late Prosector to the Zoological Society . . . 127 
VI. On the Recent Ziphioid Whales, with a Description of the Skeleton of Berardius 
arnouxi. By Wittiam Henry Fuower, /.R.S., V.P.Z.S., Hunterian Professor 
of Comparative Anatomy, and Conservator ey the Museum ae the Royal College 
of Surgeons of England . . . . . . Be =id Qasr 20S 
VII. On the Organization of the Caaing Whale, Globiocephalus melas. By Dr. JamMEs 
MIR TE) Sees Se Pari eeeCs 8 kk BE ee ON OS Ae OSE 
VIII. A Deseription of the Madreporaria dredged up during the Expeditions of H.M.S. 
‘ Porcupine’ in 1869 and 1870. By Professor P. Martin Duncan, I/.B. (Lond.), 
F.RS., F.G.S., Professor of Geology to King’s College, London, &c. . . . 303 
IX. On the Osteology of the Marsupialia. (Part III.) Modifications of the Skeleton in 
the Species of Phascolomys. By Professor Owen, F.R.S.,F.Z7.8.,éc. . . 345 
X. On Dinornis (Part XVIII.): containing a Description of the Pelvis and Bones of 
the Leg of Dinornis gravis. By Professor Owmn, F.RB.S., F.ZS., Ge. . . 361 
