116 MITRA. 



M. CHALYBEIA, Reeve. PL 34, fig. 30. 



Whorls smooth, grooved towards the base ; rudely very finely 

 crenulated next the sutures ; longitudinally streaked with white 

 and ashy blue, transversely indistinctly banded, encircled through- 

 out with equidistant reddish brown lines ; columella reddish 



orange, four-plaited. Length, 2 inches. 



Habitat unknown. 



Only one specimen known, in the Cumingian collection. 

 Probably an individual variation from some well-known type, 

 such as M. variegata. 



M. LIMATA, Reeve. PI. 34, fig. 33. 



Shell rather thick, polished, transversely grooved throughout, 

 grooves punctured ; whitish, encircled by a pale white-flaked 



band. Length, 1 inch. 



Isl. of Bohol, Philippine*. 

 Probably a variety of M. variegata, Reeve. 



M. GUTTATA, Swainson. PI. 34, fig. 31. 



Yellowish brown, longitudinally mottled with white. 



Length, 2 inches. 



Ceylon. 



M. FERGUSONI, Sowb. PL 34, fig. 32. 



More volute-shaped than any other species ; it is smooth, solid, 

 pale fawn, with fine articulated lines and a little cloud of chest- 

 nut ; spire rather short, obtuse ; aperture large, with smooth 

 outer lip. Length, 1*75 inches. 



Panama. 



I am not acquainted with this species. The authority for the 

 locality is not given. 



M. FLORIDA, Gould. PL 34, fig. 35. 



Whitish, clouded with 3'ellowish brown, with numerous 

 revolving series of small brown spots ; pinkish white within the 

 aperture. Length, 1-75 inches. 



Dr. Gould's type, received from Dr. Edmund Ravenel, of 

 Charleston, S. C., is said to have come from Florida; another 

 specimen in the Jay Collection has the hnbitnt Philippine Islands. 

 Its characters are intermediate between Mitra and Valuta. My 



