Contents (^continued). 



Page 

 Exhibition of two rare species of Arctic Birds, Colymhiis 

 adamsi and Eurinorhynchus pygmceus, by Philip Lutley 



ScLATER, Sec. Z.S 201 



On the Development of Aurelia aurita in the Society's Aquaria. 



By E. W. H. HoLDswoRTH, F.L.S , 201 



On a New Species of Mollusk of the Genus Seissurella, d'Orb. 



By S. P. Woodward, F.G.S 202 



Note on Cyclostoma articulatum. By S. P.Woodward, F.G.S. 204 

 Indications of the Existence of a Second Species of Emeu {Dro- 



mceus). By A. D, Bartlett = 20.5 



A Record of the Number of Days of Incubation of Birds which 

 breed in the Society's Gardens. By Philip Lutley 



ScLATER, Sec. Z.S o 205 



Remarks on exhibiting specimens of Two Species of Divers 

 (Colymbus), from Mr. Gurney's Collection. By Philip 



Lutley Sclater, Sec. Z.S 206 



On a new Lepidopterous Insect from Australia. By A. W. 

 Scott, Member of the Legislative Assembly of New South 



Wales 207 



Description of a species of Perga, or Saw-fly, found feeding 

 upon the Eucalyptus citriodora of Hooker, or Wide Bay 

 Lemon-scented Gum-tree. By Dr. George Bennett, of 



^ T,.s., and A. W. Scott 209 



bill {OrnitliorJiynch%s anatiniis). By Dr. 



fETT, of Sydney, F.Z.S _. 213 



Flying-Opossum {Belideus flaviventris), in 

 a stale Kj\ - .ture and in Captivity. By Dr. George 



Bennett, F.Z.S 218 



Notes on Australian Cuckoos. By Dr. Geo. Bennett, F.Z.S. 221 

 On the Fish called Glyphisodon hiocellatus. By Dr. George 



Bennett, F.Z.S 222 



Notes on Sharks, more particularly on two enormous Specimens 



of Carcharias leucas. By Dr. George Bennett, F.Z.S. 223 

 Notes on the Range of some Species of Nautilus, on the mode 

 of Capture, and on the use made of them as an article of 



Food. By Dr. George Bennett, F.Z.S 226 



Descriptions of New Species of Salamanders from China and 



Siam. By Dr. J. E. Gray, V.P.Z.S., &c. 229 



Description of Scapha maria-emma, a New Species of Volute. 



By Dr. J. E. Gray, V.P.Z.S., &c 230 



Description of some new recent Entomostraca from Nagpur, 



collected by the Rev. S. Hislop. By W. Baird, M.D., &c. 231 

 Notes on the Habits of Two Mammals observed in the Somali 

 country. Eastern Africa. By Capt. J. H. Speke, 46th 



B.N.I 234 



On a Collection of Birds from Vancouver's Island. By Philip 



Lutley Sclater, Sec. Z.S 235 



Synopsis of the known Asiatic species of Silk-producing Moths, 

 with descriptions of some New Species from India. By 



Frederic Moore 237 



A General Review of the Genus Terebra, and a Description of 



New Species. By Mons. Deshayes 270 



A Synopsis of the Thrushes {Turdidce) of the New World. 



By Philip Lutley Sclater, M.A., F.L.S., Sec. Z.S. 321 

 On some New Freshwater Shells ^^^^ Central Africa. By S. 

 P. Woodward, F.G.S. • • • » ^^'^ 



