TURBO.—Puate IV. 
suturis canaliculatis ; anfractibus subtubulosis, spira- 
liter costatis, costis distantibus, et, cum interstitis, pul- 
cherrime concentrice laminatis, apertura rotunda ; vi- 
ridi, nigro longitudinaliter undaté, intus argented. 
THE LAMINIFEROUS TuRBO. Shell umbilicated, ovate, 
sutures of the spire channelled; whorls somewhat 
tubulous, spirally ribbed, ribs distant and, with the 
interstices, very beautifully concentrically laminated, 
aperture round; green, longitudinally waved with 
black, interior silver. 
Hab. Mouth of Victoria River, New Holland. 
A very beautifully sculptured species, allied to the 
T. Ticaonicus, but perfectly distinguished from it in being 
of uniformly smaller size, more distinctly and remotely 
ribbed, and in being concentrically frilled throughout with 
a close succession of delicate laminz. 
