688 MUREX. 



LINGUA. 14. Shell sub-triangular, ovate, with three 

 membranaceous varices, and somewhat no- 

 dulous ; whirls contracted at the sutures, and 

 the beak closed. 



Murex Lingua vervecina. Chemnitz, x. p. 251. t. I6l. f. 



1540 and 1541. 

 Murex decussatus. Gmelin, p. 3527. Schreibers Conch. 



i. p. 196. 

 Le Jatou. Adanson Senegal, p. 12y. t. Q. f. 21. 



Inhabits the coasts of Goree. Adanson. 



Shell an inch and a half long, and about half as broad, either 

 wholly white, or sometimes the interstices between the mem- 

 branaceous varices are dark brown ; the aperture is elliptical, 

 and the outer lip double. Gmelin, under the name of M* 

 decussatus, appears, both by his description and references, 

 to have strangely confounded this shell with some varieties of 

 M. Erinaceus. 



TRiPTERus. 15. Shell long, narrow, and sub-tri- 

 angular, Avith three membranaceous, sub-fo- 

 liaceous varices; and the beak rather long. 



Murex tripterus. Born Mm. p. 291. t. 10. f. 18 and IQ. 



Gmelin, p. 3530. Schreibers Conch, i. p. 212. 

 Murex ramosus, Var. e. Gmelin, p. 3528. 

 Murex, No. 172. Schroeter Einl. i. p. 598. 

 D 'Avila, 1. 16. f. K. Martini, iii. t. 110. f. 1031 and 1032, 

 and t. 111. f. 1033. 



Inhabits the coasts of Batavia. Born. Java. Humphreys. 



Shell two inches or two inches and a half long, and the body- 

 whirl, without including the varices, is not more than one 

 third as broad ; it has seven produced whirls, which are 

 transversely wrinkled, and between the varices granulated ; 

 colour whitish. 



TRIQUETER. 16. Shell long, narrow% and sub-tri- 

 angular, with reticulated ribs, and three 

 membranaceous varices ; beak rather long, 

 and closed. 



Murex triqueter. Born Mus. p. 291. 1. 11. f. 1 and 2. Gme- 



lin, p. 3530. Schreibers Conch, i. p. 212. 

 Murex ramosus, Var. (. Gmelin, p. 3259. 

 Murex, No. 173. Schroeter Einl, i. p. 599. 



