Endodonta.] GASTROPODA. 717 



Radula having the formula 90 x 13 + 4 + 1 + 4 + 13. Central 

 and lateral teeth tricuspid, marginals with 3 cusps. 



Type in my collection. 



Hob. North Island : Little Barrier Island (J. Adams) ; Auck- 

 land ; Ruatahuna (E. Best) ; Petane (A. Hamilton) ; Heretaunga 

 (Brooks) ; Ormondville (Chadwick) ; Shannon (R. Murdoch) ; Forty- 

 mile Bush, type (H. S.). South Island : Milford Sound (Professor 

 Chilton). 



17. Endodonta eremita, Suter, 1891. Plate 9, figs. 18, cr, 6. 



Patula eremita, Sut., T.N.Z.I., xxiii, 1890 (1891), 87, pi. 17, f. 6, a, b. 

 P. (Charopa) eremita, Sut. : Pilsbry, Man. Conch. (2), viii, 103, pi. 19, 

 f. 37-39. Charopa. eremita, Sut. : Heclley and Suter, P.L.S. N.S.W. (2), 

 vii, 657. Endodonta (Charopa) eremita, Sut., J. de Conch., xli, 271. 



Shell minute, subdiscoidal, umbilicated, very finely radially rib- 

 striate, horny, silky, fragile, pellucid. Sculpture consisting of fine and 

 close radiate riblets, 28 to 30 per millimetre, those on the post-nuclear 

 whorls slightly protractive above, straight and somewhat flexuous 

 on the periphery and base ; interstices microscopically reticulated. 

 Colour pale-horny with faint broad streaks of darker horny. Spire 

 very little raised, flattish. Protoconch of 1^ convex whorls. Whorls 4, 

 narrowly rolled up, regularly increasing, convex ; base rounded. 

 Suture deep. Aperture subvertical, rotundly lunate. Peristome acute, 

 nearly straight, somewhat retracted at the suture, regularly arched, 

 margins convergent. Columella short, arcuate. Inner Up not re- 

 flected. Parietal wall with a thin shining glaze. Umbilicus wide and 

 deep, showing the nucleus, gradate, about one-third of the greatest 

 diameter. 



Diameter, 2 mm. ; height, 0-75 mm. 



Animal unknown. 



Type in my collection. 



Hob. South Island : White Horse Hill, Hooker Valley ; one 

 specimen (H. S.). 



Remarks. This species represents a middle form between E. %n- 

 fecta and E. corniculum. 



18. Endodonta infecta, Reeve, 1852. Plate 28, figs. 8, a, b. 



Helix infecta, Reeve, Conch. Icon., vii, pi. 132, f. 808. Patula infecta, Rve. 

 Hutton, T.N.Z.I., xvi, 193. Charopa infecta, Rve. : Heclley and Suter, 

 P.L.S. N.S.W. (2), vii, 657. Endodonta (Charopa) infecta, Rve. : Suter, 

 J. de Conch., xli, 265. Helix zeta, Pfeiffer, M.H. Viv., iii, 1853, 109 ; 

 P.Z.S., 1852 (1854), 58 ; Conch. Cab. (2), i, 459, pi. 155, f. 27-30 ; Hector, 

 Cat. Land Moll. N.Z., 14. Patula (Charopa) zeta, Pfr., Nomencl. Hel. 

 Viv., 98. P. zeta, Pfr. : Hutton, M.N.Z.M., 9. Helix (Patula) zeta, Pfr. : 

 Tryon, Man. Conch. (2), iii, 23, pi. 3, f. 14. 



Shell very small, depressed, discoidal, widely umbilicated, rather 

 solid, closely ribbed, yellowish with chestnut spots. Sculpture 



