INDEX. 1363 



675 ; description of, 676 ; gradual exhaustion of the beds, 672 ; 

 " mates " at, 677 ; present favourable natural condition for the 

 cultivation of oysters, 671, 672 ; produced very fine oysters in the 

 past, 672 ; the task of renewing the oyster banks of, confided to 

 M. Coste, 672 ; the method of procedure, 672, 673 ; the oysters 

 now taken are isolated ones ; two varieties of oysters in the road- 

 stead of, 675. 



Toxopneustes lividus, 68 1. 



Tralee, 256. 



Treguier (ref.) 581 ; overdredging at, 504; reported disease among 

 the oysters of the beds at, 504 ; cause of the destruction, 504 ; 

 M. Bouchon-Brandely's advice relative to, 504. 



Tremblade (ref.) 686. 



Trimya, 141. 



Trinity River, The, 545, 547, 549, 550, 551, 594, 595; number of 

 oysters dredged in one hour, in, 596. 



Tripoli-powder, 214. 



Tripota, M., cited 617-621. 



Trochus, 200, a genus of conical spiral gasteropods ; the tongue of the, 



79- 

 Trou-a-Girou, 522. 



Tyacke, Poor, The Story of, 262-264. 



Tyrone, 200. 



Tumida, 171. 



Tunicata, 132. 



Turbots contrasted with rays, 131. 



Turdus, 46. 



Turlure, MM. Charles, and, 542. 



Turton, 147, 173, 185; Conchological Dictionary, cited 152. 



u. 



Uddevalla, 142, 153; Shell-bed, 149. 



Ulva latissima, 263, 268 ; and enterornorpha, price of, in London, 



263, 268. 

 Umbones, 119, 136, the point of a bivalve shell immediately above the 



hinge. 



