Euthria.] GASTROPODA. 375 



Diameter, 13 mm. ; height, 27 mm. Angle of spire, 45. 

 Dentition. Button, T.N.Z.I., xvi. pi. 11, f. 3. 

 Type in the Canterbury Museum, Christchurch. 

 Hab. Dunedin (type) ; Akaroa Harbour, between tide-marks 

 (H. S.). 



2. Euthria linea, Martyn, 1784. Plate 44, fig. 20. 



Buccinum linea. Mart., Un. Conch., ii, 1784, f. 48. Fusus lineatus, Q. & G.. 

 Voy. Astrol., ii, 501, pi. 34, f. 6-8. Pollia linea, Mart. : Gray, Dieff. 

 N.Z., 229. Fusus linea, Mart. : Mutton, C.M.M., 10. Euthria lineata. 

 Chemn. : Mutton, J. de Conch., 1878, 15 ; M.N.Z.M., 51. Pisania 

 lineata, Mart. : Mutton, T.N.Z.I., xvi, 229. Euthria lineata, Mart.. 

 Man. Conch. (1), iii, 151, pi. 72, f. 229-31. 



Shell fusiform, solid, mostly smooth, but the apical whorls costate. 

 ornamented with distant spiral purple bands. Sculpture : The surface 

 is mostly smooth or shows fine microscopic striation, but occasionally 

 the purple lines are slightly ridged ; the protoconch is smooth, but the 

 following two or three whorls are axially costate. Colour yellowish- 



o / i/ 



white, purplish, or pale reddish-brown, spirally distantly and nar- 

 rowly banded with purplish-black ; these bands are sometimes un- 

 equally spaced, and their number on the penultimate whorl varies 

 from 4 to 6 ; fascicle on the neck sometimes dark brown ; aperture 

 bluish-white within ; outer lip with brown lirae, and occasionally 

 clouded with brown. Spire elevated conical, height a little less than 

 that of the aperture with canal ; outlines almost straight. Protoconch 

 of 2 smooth whorls, globular and small. Whorls about 8, first slowly 

 increasing, the last very high, flatly convex, slightly depressed be- 

 low the suture ; base contracted, concave. Suture superficial, linear. 

 Aperture slightly oblique, narrowly oval, channelled above, produced 

 below into an oblique recurved and open canal, slightly notched at 

 its base. Outer lip convex, sinuate on approaching the canal, sharp, 

 thickened within, and with numerous fine teeth at some distance 

 from the edge. Columella arcuate, with a few tubercles below. Inner 

 lip spreading some distance upon the pillar, and as a thin callus over 

 the parietal wall, which bears 1 or 2 tubercles below the suture ; the 

 lip is narrowed and drawn out to a long point below, forming the 

 inner margin of the canal. Fasciole distinct, slightly lamellar. Oper- 

 culum horny, yellowish, oval and unguiculate, nucleus apical. 



Diameter, 19 mm. ; height, 40 mm. Angle of spire. 48. 



Animal having moderately long and slender tentacles, the eyes 

 near their extremities ; foot oval ; colour light yellow, with reddish- 

 brown spots prominent on the head, tips of the tentacles, and round 

 the foot. 



Dentition. Troschel, Das Gebiss d. Schnecken, ii, 79, pi. 7, f. 12 ; 

 Man. Conch. (1), iii. pi. 27, f. 28: Hutton. T.N.Z.I., xv, 119, pi. 13. 

 f. H. 



Type lost. 



