MATHILDA. 211 



M. QUADRICINCTA, Brocchi. PL 65, fig. 38. 



Whorls carinated, turreted, convex, encircled by four narrow 

 crenulated spiral ridges, the interstices longitudinally striate. 



Mediterranean. 



Described from an Italian tertiary fossil. Eglisia Macandrex, 

 H. Adams, is a synonym. 



M. SINENSIS, Fischer. PL 65, fig. 19. 



Whorls 11, elongated turreted, rather thick, embryonal ones 

 smooth, the others turriculate, subcarinate, cancellate, with deep 

 suture, traversed by four spiral ribs, the interstices longitudi- 

 nallj r costate ; yellowish. Length, 6 mill. 



Isle of Chusan, China Sea. 



Unfigured Species. 



M. TROCHLEA, Morck. St. Thomas, W. I. 



M. MAGELLANICA, Fischer. Sts. Magellan. 



M. CORONATA, Monts. Mediterranean. 



Subgenus GEGANIA, Jeffreys, 1884. 

 M. PINQUIS, Jeffreys. Unfigured. Coast of Portugal. 



