EDITORIAL NOTES. xi 



Eepokt on the Marsupialia. 



By Professor D. J. Cunningham, M.D., F.PuS.E., F.E.C.S.I. 



Magnetical Eesults. 



By Commander Maclear, E.N. ; Lieutenant Bromley, E.N. ; Staft'-Commander Tizard, E.K ; 

 and Staff-Commander E. W. Creak, E.N. ; with Instructions and Memorandum prepared 

 uuder the Superintendence of the Hydrographer of the Admiralty. 



Meteorological Observations. 



By Staff-Commander Tizard, E.N., assisted by other Officers of the Ship. 



Eeport on the Pressure Errors of the Challenger Thermometers. 

 By Professor P. G. Tait, M.A., Sec. E.S.E. 



Eeport on the Petrology of St. Paul's Eocks. 

 By Professor A. Eenard, F.G.S. 



Eeport on the Actiniaria. 



By Professor Eichard Hertwig. 



Eeport on the Tunicata. First Part — Ascidi^e Simpliges. 

 By Professor W. A. Herdman, D.Sc, E.E.S.E., F.LS. 



Eeport on the Anatomy of the Spheniscidve. 



By Professor Morrison Watson, M.D., F.E.S.E., F.Z.S. 



Eeport on the Pelagic Hemiptera. 



By F. Buchanan "White, M.D., F.LS. 



Eeport on the Specimens of the Genus Orbitolites. 



By W. B. Carpenter, C.B., M.D., LL.D., F.E.S., F.G.S., F.P.LS. 



Eeport on the Hydroida. First Part — Plumularice. 



By Professor G. J. Allman, M.D., LL.D., F.E.SS. L. and E., M.E.I. A., r.P.L.S. 



