682 MUREX. 



Murex Tribulus maxiinus. Chemnitz, xi. p. 101. 1. 189. 

 f. 1819 and 1820. 



Murex Tribulus, Var. Martini, iii. p. 363. t. 113. f. 1052. 

 Inhabits the Red Sea. Chemnitz. 

 This shell differs from M. Tribulus, in being larger and 



stronger, and in the want of cancellated striae; the three 



rows of spines are thicker, and their interstices marked with 



reddish slightly elevated ribs, and obsolete transverse striae ; 



the colour, except the ribs, is whitish, or tinged with reddish 



brown. 



TRIBULUS. 4. Shell sub-ovate, with three spinous 

 varices, and cancellated striae ; beak very 

 long, straight, and armed with similar long 

 spines. 



Murex Tribulus. Linnaeus Sj/st. Nat. p. 1214. Martini, 



iii. p. 368. t. 113. f. 1053 to 1056. Born Mus. p. 288. 



Schroeter Einl. i. p. 476. Gmelin, p. 3525. Schreibers 



Conch, i. p. 192. 

 Fariety A. With the spines rather remote, and shorter than 

 the beak. 



Purpura Tribulus. 3Ius. Geversianum, p. 310, No. 624. 

 Bonanni Rec. 3. f. 269, and Kirch f 27 1. Lister Conch. 



t. 902. f. 22. Uumphius, t. 26. f. G. Petiver Gaz. t. 



101. f. 16, and Amb. t. 6. f. 8. Gualter, t. 31. f. A. 



Seba, iii. t. 78. f. 4. Knorr, i. t. ) 1. f. 3 and 4. Favanne, 



t. 38. f. A 1. 

 Variety B. With crowded spines, and some as long as the 

 beak. 

 Murex Tribulus duplicatus. Chemnitz, xi. p. 103. t. 189- 



f. 182 J, and t. 19O. f. 1822. 

 Purpura Histrix. Mus. Geversianum, p. 308, No. 621. 

 Rumphius, t. 26. f. No. 3. Gualter, t. 31. f. B. Jrgen- 



ville, t. 16. f. A. Seba, iii. t. 78. f. 1 to 3. Knorr, v. t. 



27- f. 1. Regenfuss, ii. t. 11. f. 46. Favanne, t. 38. f. 



A 2. Shaw Nat. Misc. xii. t. 460. 

 Inhabits the Asiatic Ocean, and coasts of Java. Linnaus. 



Amboyna. Rumphius. 

 Shell three or four inches long, of which the subulate beak 

 occupies the larger half, and the breadth of the body-whirl 

 is about an inch or an inch and a quarter ; the spines issue 

 from three varices, and are extended to the extremity of the 

 beak ; the interstices are slightly nodulous, transversely rib- 

 bed, and marked with cancellated striae ; the colour is dirty 

 or pale brownish white. 



