38 TEREBRA. 



fixed; as von Martens remarks (Don BI'MO.. 21) it may very 

 well be a Columbella. 



It is Bucc. pulchellum, Calcara ; Mitra Liunei, Eichwald ; 

 Bucc. Linnei, Payr. ; T. Cosentini, Phil. ; T. nodosoplicata, 

 Dunker. 



T. FULGURATA, Phil. PI. 11, figs. 18-20. 



Narrowly fusiform, spire acuminated, whorls plicate above, 

 but not shouldered, with lightly marked, rather distant spiral 

 stria? ; whitish, with zigzag longitudinal chestnut lines. 



Length, 14 mill. 



Mazallan, Acapulco, L. California. 



T. arguta, Gould, and T. rustwa, Hinds (figs. 19, 20), are 

 synonyms ; the coloring of the latter is often seen in the species, 

 as well as orange-brown and even clear white without markings. 

 Another usual state has the upper half of the whorls white, the 

 lower half of the body-whorl only showing the lightning-streaks 

 or' chestnut. 



T. NASSOIDES, Hinds. PI. 12, fig. 23. 



Whorls varicosely ribbed, spirally minutely striated ; pinkish 

 ash, banded with lead-color, margin below the suture white. 



Length, 13'5 mill. 



Red Sea (Lord Mountnorris). 



Appears to be closely allied to the preceding species. I have 

 not seen it. 



T. TRILINEATA, Adams and Angas. PL 12, fig. 24. 



Thin, slender, with long, narrow aperture, distantly plicate 

 and encircled with thread-like lines ; yellowish white, with lon- 

 gitudinal pale undulating chestnut markings, a series of chest- 

 nut spots near the suture, and on the body-whorl three revolving- 

 chestnut lines, one of which appears also on the spire. 



Length, 14 mill. 



New South Wales , Australia. 



T. ANGASI, Try on. PI. 12, figs. 25, 26. 



Olivelliform, with small, rather close plications, disappearing 

 on the upper part of the body-whorl ; whitish, shining, with three 



