iv CONTENTS. 
XII. Notes on the Fins of Elasmobranchs, with Considerations on the Nature and Homo- 
loques of Vertebrate Limbs. By Sv. Gora Mivarr, V.P.ZS. . . page 439 
XIII. On the Mechanism of the Odontophore in Certain Mollusca. By Patrick 
GEDDES: 22. /.,04 2 Ss Qe coe a e . i aeeeeS 
XIV. On the Hearts of Ceratodus, Protopterus, and Chimera, with an Account of 
undescribed Pocket Valves in the Conus arteriosus of Ceratodus and of Protopterus. 
By %. Ray Lanxester, M.A., F.R.S., Professor ue di ry and —— ative 
Anatomy in University College, London . . . . : ; . 493 
XV. Observations on the Uraniide, a Family of Lepidopterous Insects, with a Synopsis 
of the Family and a Monograph of Coronidia, one of the Genera of which it is 
composed. By J.O. Wustwoon, MA. F.LS.,ée . . . . .. . . aug 
XVI. Supplementary Notes on the Curassows now or lately living in the Society's Gar- 
dens. By P. L. Scuater, W.A., Ph.D., F.RS., Secretary to the Society. . 543 
icist of the Papers contained in) Vol) Mc.) a ws ee «ome ndaae 
ndexot Species scGx; 4; 2) eee a Keim. =» Coe ermine 
