11. Terebra. The Needle Shell. Twenty-four species.

This genus of shells is remarkable for their sharp, lengthened, and

spiral form, which obtained for them the common name of Needles.

Shell elongated oval, spire pointed, slightly elevated, or sub-turreted;

aperture wide, oval, strongly notched anteriorly; lower end of the

columella twisted or oblique.

Terebra maculata.

T. flammea.

T. crenulata.

T. dimidiata.

T. striatula.

T. chlorata.

T. cerithina.

T. raphanula.

T. muscaria.

T. subulata.

T. oculata.

T. duplicata.

T. Babylonia.

T. corrugata.

T. Senegalensis.

T. cærulescens.

T. cingulifera.

T. myuros.

T. scabrella.

T. strigilata.

T. lanceata.

T. aciculina.

T. granulosa.

T. vittata.

_T. Buccinoides._ The Buccinum-shaped Terebra. Pl. 27, fig. 3.

Answers to the above description.

_T. vittata._ The filleted Terebra.

Species smooth, pale fawn coloured; transversely striated, with

transverse purplish fillets.

_T. maculata._ The spotted Terebra. Pl. 27, fig. 1.

Species very long, spire pointed; aperture oval, small, widely notched

anteriorly; the external edge thin and sharp, the left with an oblique

thickening at its extremity.

FAMILY XIX.

COLUMELLARIA. Five genera.

A Manual of Conchology According to the System Laid Down by Lamarck, with the Late Improvements by De Blainville. Exemplified and Arranged for the Use of Students. · 第 219 / 258 题