726 GASTROPODA. [PulmonaUi. 



tinct spiral strife, about 8 ; succeeding whorls with very fine close 

 flexuous and slightly protractive riblets. about 24 per millimetre ; 

 interstices with a few growth-lines, which, as well as the riblets, are 

 crossed by distinct very close microscopic strise. Colour horny. Spire 

 flattish. Protoconch of 1^ convex turns. Whorls 4 to 4-|, convex, 

 regularly increasing, but the last proportionally broad, periphery 

 and base rounded. Suture deep. Aperture a little oblique, Innately 

 subcircular. Peristome simple, straight. Columetta vertical, arcuate. 

 Inner Up not thickened and not reflexed ; parietal wall with a broad 

 shining white glaze. Umbilicus moderately broad, deep, conical, 

 showing the protoconch, about a quarter of the greatest diameter. 



Diameter Maj., 3 mm. ; min., 2-7 mm. : height, 1-5 mm. 



Animal and Dentition. Hutton, T. N.Z.I., xvi, 164. pi. 9, f. F. 



Animal like E. coma, but the eye-peduncles smaller and not clavate ; 

 white, slightly speckled with grey above ; peduncles purplish. 



Jaw finely vertically striated. 



Radula having the formula 14 + 1 + 14 ; laterals 4 or 5. Central 

 and lateral teeth tricuspid, the mesodont as long as the base ; mar- 

 ginals with 3 acute points. 



Type in the British Museum. 



Hob. North Island : Tom Bowline's Bay (C. Cooper) ; Whangarei 

 (Musson) ; Waiwera (H. S.) ; Waitakerei Range (H. S.) ; Auckland 

 (Gillies) ; Thames (Adams) ; Ho wick ; Hunua Range (Major Broun) ; 

 Ohaupo (Musson) ; Waimarama ; Gisborne (A. Hamilton) ; Danne- 

 virke (Brooks) ; Otaki Gorge (Preston) ; Ngaputahi, Tuhoe-land (A. 

 Hamilton) ; Forty-mile Bush (H. S.). 



This is a rather rare shell. 



Fornia albina. 



Two snow-white specimens from the Mount Wellington lava- 

 fields are in my collection. (H. S.) 



Var. maculata, Suter, 1891. 



Patula corniculum, Reeve, var. maculata, Sut., T.N.Z.I., xxiii, 1890 (1891), 89. 

 P. eta, Pfr., var. maculata, Sut. : Pilsbry, Man. Conch. (2), viii, 96. 

 Charopa corniculum maculata, Sut. : Hedley and Suter, P.L.S. N.S.W. (2), 

 vii, 655. Endodonta (Charopa} conu'culum maculata, Sut., J. de Conch., 

 xli. 265. 



Shell somewhat smaller than the species ; the riblets number 

 20 to 22 per millimetre. The microscopic sculpture is the same. 

 Colour white, with rufous radiate streaks at very irregular distances. 

 The last ivhorl is not so broad in proportion to the others, and the 

 suture is not so deep. 



Diameter, 2-75 mm.; height, 1-5 mm. 



Animal unknown. 



Type in my collection. 



