ix 
page 
Newton, Aurrep, M.A., F.Z.S., &e. 
Note on the supposed occurrence of the Hirundo bicolor 
of North America in England ............-2..26-. gnu bod 
On some Hybrid Ducks ...... 6.6... 22 eee reece eee 336 
Remarks on the Anas (Anser) erythropus, Limn........ 339 
On the recent discovery of Bones, supposed to be those of 
tine Dados, wacasi ig een e pe aeereia atlases aes cage x 443 
Parker, W. K., F.R.C.S. 
Abstract of Notes on the Osteology of Baleniceps rex .. 324 
Pease, W. Harper. 
Descriptions of New Species of Mollusca from the Sand- 
wich Islands. Part I... 2.2.2... e0ee se neeeee ee 18 
Descriptions of New Species of Planariide collected in the 
Sandwich Islands: ....00 506.66 c0sssclneee dees concwsee 37 
Descriptions of New nes of Mollusca from the Sand- 
wich Islands. Part II. Pes Oe ee ietiiocen | Val 
Descriptions of Three Siac of Marine Shells from the 
Pacifie Oceaals 15 a Peg ys ha als io IE Ss [2 ots 189 
Descriptions of Seventeen New Species of Marine Shells, 
from the Sandwich Islands, in the Collection of H. Cuming, 
Mages Se Gat etek ae wa ition Sess Meee eS 397 
Descriptions of Forty-seven New Species of Shells, from 
the Sandwich Islands, in the Collection of Hugh Cuming, Esq. 431 
Descriptions of Six New Species of Land Shells, from Ebon, 
Marshall’s Group, in the Collection of H. Cuming, Esq. .. 439 
PetuHerick, Joun, Corr. Mem. Zool. Soc., F.R.G.S. 
Exhibition of the head and horns of a rare Antelope from 
Central Afrien: 222.900... SUARIS LS A Pes 193 
Memoranda on the Hippopotamus and Baleniceps recently 
imported into England, and now in the Gardens of the So- 
CRCEY ic fs bse celica dm Fa asinie es 0 st eee Sean be 195 
