MATHILDA. 211 



M. QUADRICINCTA, Bi'occhi. PI. 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 Alacandreae, 

 H. Adams, is a S3-non3au. 



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 b}'^ four spiral ribs, the interstices longitudi- 

 nall}' costate ; yellowish. Length, 6 mill. 



Isle of CJiusan, China Sea. 



Unfigured Species. 



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



M. Magellanica, Fischer, Sts. Magellan. 



M. CORONATA, Monts. Mediterranean. 



Subgenus Gegania, Jeureys, 1884. 

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



