XI 



Page 

 Account of the Ccelenterata collected during the Survey of 

 H.M.S. 'Alert' in the Straits of Magellan and on the Coast 

 of Patagonia. (Plate VI.) 101 



Account of the Spongida collected during the Survey of 

 H.M.S. 'Alert' in the Straits of Magellan and on the Coast 

 of Patagonia. (Plates X., XI.) 107 



Saunders, Howard, F.Z.S., F.L.S. 



Exhibition of some eggs of Drotnas ardeola 2.')9 



ScLATER, Philip Lutley, M.A., Ph.D., F.R.S., Secretary to 

 the Society. 



Exhibition of, and remarks upon, a skin of a Merganser 

 {Mergus australis) 1 



Report on the additions to the Society's Menagerie in 

 December 1880 -.. 165 



On some Birds collected by Mr. E. F. im Thurn in British 

 Guiana 212 



Report on the additions to the Society's Menagerie in 

 January 1881. (Plate XXIX.) 258 



Exhibition of, and and remarks upon, the eggs of Opis- 

 thocnmus cristatus and Coturnix delegorgii 259 



Exhibition of, and remarks upon, a large Spider of the 

 Genus Mygale 325 



Report on the additions to the Society's Menagerie in 

 February 1881 409 



Report on the additions to the Society's Menagerie in 

 March 1881 450 



Note on the weights and measurements of the Indian 

 Elephants in the Society's Menagerie 450 



Exhibition of, and remarks upon, some bird-skins brought 

 home by the ' Challenger ' Expedition 451 



Exhibition and descriptions of two new Birds from New 

 Britain. (Plate XXXIX.) 451 



