ix 
Page 
Jerrreys, J. Gwyn, LL.D., F.R.S., F.Z.S. 
On the Mollusca procured during the ‘ Lightning’ and 
‘Porcupine’ Expeditions, 1868-70. Part V. (Plates 
PRE Te hls as «ote meee oa a ey atts tats! 656 . 
Lanxkester, Pror. E. Ray, M.A., F.R.S., Jodrell Professor of 
Zoology in University College, London. 
On the Valves of the Heart of Ornithorhynchus paradoxus 
compared with those of Man and the Rabbit, with some 
Observations on the Fossa Ovalis. (Plates XXXVIII.-XLI.) 549 
Layarp, Epcar Lerorotp, C.M.G., F.Z.S., &c., H.B.M. 
Consul at Noumea, New Caledonia. 
Letter from, containing remarks upon the locality of 
Deenacalin aeyeral se ie. warty ie eine uae ys ale sled ele © 634 
Layarp, Epear L., C.M.G., F.Z.S., &c., H.B.M. Consul, 
and E. Leoroxup C. Layarp, Vice-Consul, at Noumea, 
New Caledonia. 
Description of a new Species of Parrot of the Genus 
Nymphtcus. (Plate XXVE.) 0 cs see SUSE epee § 408 
Litrorp, Tuomas Lytrtteton, Lord, F.Z.S. &c. 
Exhibition of, and remarks upon, a skin of Emberiza 
rustica, caught at Elstree Reservoir..........00.-.0+6+ 721 
MarsHat., Major G. F. L., R.E., F.Z.S. 
Notes on Asiatic Butterflies, with Descriptions of some new 
BCCI Pett ates e web. tiel «isd + Hoke ebb Se 758 
Meyer, Apoteu Bernuarp, M.D., C.M.Z.S. 
Notice of a communication from, concerning the desira- 
bility of adopting a standard of nomenclature for the descrip- 
tion of the colours of natural objects .................-. 688 
