EMARGINULA. 265 



Anterior not so short as in E. incisura, the slit shorter and more 



abrupt. (Ad.) 



Singapore, 7 fms. 



E.planulata AD., P. Z. S. 1851, p. 86, no. 34. SOWB. Thes., p. 

 211, f. 1; Conch. Icon., f. 20. 



E. INCISURA A. Adams. PI. 28, fig. 1. 



Elongate-oval, planulate, pale, tawny, summit in front of the 

 middle, inclined backward ; decussated with unequal, scaly-rough- 

 ened radiating riblets and elevated concentric lines ; base arcuate. 

 Margin of aperture crenulated ; deeply fissured ; fissure long; mar- 

 gins calloused within. In this species the slit is long, and a half- 

 cut continuation of it extends to the apex. (Ad.) 



Habitat unknown. 



E. incisura AD., P. Z. S. 1851, p. 84, no. 17. SOWB., Thes., p. 

 211, f. 2; Conch. Icon., f. 18. 



E. CLYPEUS A. Adams. PI. 28, fig. 7. 



Elongate-elliptical, much depressed, testaceous, a buff spot in the 

 middle of the back; summit subcentral, inclined backward; orna- 

 mented with close, equal, rndiating, scaly-roughened ribs. Base 

 arcuate, margin of the aperture crenulated, deeply fissured in front ; 

 the fissure large ; aperture two-spotted inside. Narrow, scabrous, 

 and has some prominent ribs. (Ad.) 



Island of Burias, Philippines, 7 fms., on dead shells. 



E. clypeus AD., P. Z. S. 1851, p. 83, no. 14. SOWB., Thes. p. 211, 

 f. 3 ; Conch. Icon. f. 21. 



E. DILECTA A. Adams. PI. 28, fig. 17. 



Elongate-oval, subquadrangular, white, much depressed, summit 

 subposterior, declining backward ; decussated with subdistaut, radi- 

 ating, asperulate ribs, and elevated concentric lira? ; base arcuate ; 

 margin of aperture denticulate, deeply fissured in front. More 

 obtusely conical than E. huzardi, with sculpture closer and apex 

 nearly central. (Ad.) 



King George's Sound, S. -Australia. 



E. dileeta AD., P. Z. S. 1851, p. 85, no. 28. SOWB., Thes. p. 211, 

 f. 5 ; Conch. Icon. f. 23. 



E. MONTROUZIERI Souverbie. PI. 64, figs. 7, 8. 



Shell ovate-oblong, much depressed-conic, apex minute, behind 

 the middle (I the length from the back margin), shortly projecting; 



