27 



Page 



Gray, John Edward, Ph.D., F.R.S., &c. (contimed). 



Extracts from Letters received from Francis Brent, 

 Esq., of Sandgate, regardiog the Destructioa of Con- 

 gerEels ^^^'''{26 



An Arrangement of the Families of Echinida, with 

 Descriptions of some New Genera and-Species 1855, 35 



Observations on the Species ofVolutes — Volutidce 1855, 50 



Oa some species of Freshvrater Tortoises from North 

 America, Ceylon, and Australia, ia the CoUection of 

 the British Museum 1855, 197 



On a New Genus of Fish-scaled Lizards (Scisso- 



sarai) from New Guinea 1855, 21 7 



On the Genus Assiininia (Leach) 1856, 20 



Description of the Animals and Teeth of Tylodina 

 and other Genera of Gasteropodous Molhisca 1856, 41 



On the Position of the Genus Proserpina in the 

 System, and a Description of its Dentition 1856, 99 



On the Nucleus of the Operculum of Cyclostoma 



elegans 1856, 1-17 



On a Monstrosity of Haliotis (albicans ?) 1856, 147 



Notice of some ludian Tortoises (including the De- 

 scription of a New Species presented to the British 

 Museum by Professor Oldham) 1856, 181 



On a New Species of Squirrel (Sciurus macrotis) 

 from Borneo 1856, 341 



Observations on a Living African Lejaidosiren in the 

 Crystal Palace 1856, 342 



Description of a New Species of Chelodina from 

 Australia 1856, 369 



On the Structure of the Pelvis of Chlamyphorus 

 truncatus 1857 8 



Observations on the Species of the Genus ilfaHa^Ma 1857, 59 

 On the Genus Necturus or Menobranchus, with an 

 Account of its SkuU and Teeth 1857, 61 



On the Animal and Bark of the Genus Anlipathes 1857, 1 13 



