6 THE PEOCEEDINGS OF THE LINNEAN SOCIETY 



As, however, all our freshwater shells have a very wide range, 

 this may be a variety, and the observed differences are due to 

 climate. The lat. of Bourke is about 30°, or nearly 600 

 miles N. W. of Sydney. The habitat of M. onca is from 14° to 

 12° S. of the Equator. I should mention, also, that the tropical 

 species is covered with a dark olive periostraca, while M. oncoides 

 has scarcely any, and of a light straw color. 



EXHIBITS. 



Mr. Ramsay exhibited two species of Pigeon, Clirysoena victor 

 (Gould), and Lamprolia victorice (F. & H.), from Fiji. Also 

 various Crotons, showing remarkable variations in foliage and 

 color, from Duke of York Island, and two specimens of Hybrid 

 Coleus, a leafy arborescent Euphorhia^ and a remarkable example 

 of Aralia filiclfolia (?) from the same locality. 



MONDAY, 25th FEBRUARY, 1878. 



W. J. Stephens, Esq., M.A., President, in the Chair. 



DONATIONS, 



The Secretary reported receipts from the Hamburg Society of 

 Natural History of their " Verhandlungen des Veriens fur 

 Natururissenschaftenliche Unterhaltung in Hamburg, for 1871-74 

 and 1875." 



PAPERS READ. 



On a new genus of Milleporid^. 



By the Rev. J. E. Tenison- Woods, F.G.S., F.L.S., Cor. Mem. 



Lin. Soc, N.S.W., &c. 



The family of MillejporidcB were formerly included by zoologists 

 amongst the Zoantharia in an entirely different class from the 



