CONTENTS. 
I. On the External Characters of two Species of British Dolphins (Delphinus delphis, 
Linn., and Delphinus tursio, Fabr.). By Witu1am Henry Fiower, LZL.D., 
EP SeenON ECS. Ltn Ais), Sy Sa TE OM SW) sept apacenl 
Il. Description of a Portion of Mandible and Teeth of a large eatinct Kangaroo (Pal- 
orchestes crassus, Ow.) from ancient fluviatile Drift, Queensland. By Prof. 
Ona CORE ETE S IE I ALAS 10 ae Os Re Men SAP Seats chk elem l// 
I. On the Brain and other parts of the Hippopotamus (H. amphibius). By A. H. 
Gannon, MW A., PoB:S., Prosector tothe Society 2 2 2 2 a ee 
IV. Further Observations on the Manatee. By James Murtn, W.D., LL.D., F.G.S., 
Paassis NEERCLOry Dannean Socidgyps: 8 ee 9 
V. On the Intestinal Spiral Valve in the Genus Raia. By T. Jervruy Parker, B.Sc., 
Assoc. RS.M., Lecturer on Biology in Bedford College, London, and Demon- 
strator in the Royal School of Mines. (Communicated by Prof. T. H. Huxuey, 
BERS SN. ba ctl des 2 Se a as 
VI. On the Genera and Species of the Lepidopterous bea ly ees: enhabiting 
the Indian Region. By F. Moorn, .Z.S. de... . ‘) gates, 63 
VII. On the Structure of the Skull in the Chameleons. “ W. K. Parker, &. Fai 
VIII. On the Male Generative Organs of the Sumatran Rhinoceros (Ceratorhinus 
sumatrensis). By W. A. Forses, B.A., F.L.S., Scholar of St. John’s College, 
Gambradge. Erosector to thepsociety: x a ee Ree eee ey LON 
IX. On the Anatomy of the Female Organs of the Proboscidea. By M. Watson, M_D., 
Professor of Anatomy, Owens College, Manchester . . . . .. ~ . Ail 
X. Descriptions of some new and rare Cephalopoda. ay i By Professor Owen, 
(Sod DOERR SENS LYE ae ee) are ; a a Lok 
