i 111! GASTROPODA. \PulmoiMlJl. 



verging ; outer lip with a slight sinus at the periphery. Columella 

 short, oblique. Inner lip not reflexed ; parietal wall with a broad 

 thin shining glaze. Umbilicus wide, deep, broadly conical, about one- 

 third of the greatest diameter. 



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

 4 whorls. 



Animal darkish -grey, the foot white with a grey patch on the back 

 behind the shell. 



Jaw membranous, very delicate. 



Dentition. -Radula having the formula. 11 + 1 + 11 ; lateral > f>. 

 ( Cntral and lateral teeth tricuspid, marginals with 3 to 4 cusps. 



Type in the British Museum. 



Hob. North Island : Mount Wellington lava-fields (H. S.) ; Hunua 

 Range (Major Broun) ; Mount Pirongia (Urquhart) ; Toko, near Strat- 

 ford ; Wanganui (R. Murdoch) ; Forty-mrle Bush (H. S.). South 

 Island : Kenepuru (McMahon) : Nelson ; Greymouth ; Oxford ; Kowai 

 Bush (Professor Chilton) ; Governor's Bay, near Lyttelton (H. S.) : 

 Stonyhurst (F. Suter) ; Otarama (A. Suter) : Mount Somers (W. W. 

 Smith) ; The Nuggets, Port Molyneux (A. Hamilton). Auckland 

 Islands (Dr. H. Krone). 



Subsp. montivaga, Suter. 1894. i'late 10, figs. 15, 15a, 15fc. 



Charopa anguiciiltis, Reeve, var. montivaga, Sut., P.L.S. N.S.W. (2), viii, 

 1894, 498, pi. 23, f. 11, 116. Endodonta (Chiropa) anguiculus, subsp. 

 montivaga, Suter, J. de Conch., xli, 264. Patula Imccindla, Reeve : Hutton . 

 T.N.Z.I., xvi, 192 ; not of Reeve. 



Shell small, subdiscoidal, umbilicated, faintly shining, thin and 

 semitransparent, radially closely ribbed, brown with lighter streaks. 

 Sculpture of the post-embryonic whorls consisting of close arcuate 

 radiate riblets, 11-13 per millimetre, flexuous and slightly retractive 

 towards the periphery ; interstices with fine growth-lines and traces 

 of fine microscopic spiral striae. Colour dark fulvous, with or with- 

 out some irregular narrow streaks of horny. Spire low, almost flat. 

 Protoconch of 1J smooth convex turns. Whorls 5, slowly and regularly 

 increasing, rounded. Suture impressed. Aperture oblique, rotundly 

 lunate. Peristome thin and sharp. Columella somewhat oblique, 

 arcuate. Umbilicus broad, perspective, about two-fifths of the greatest 

 diameter. 



Diameter Maj., 3-75 mm. ; min.. 3-5 mm. : height, 1-75 mm. 



Dentition (Hutton, T.N.Z.I., xvi, 163, pi. 9, f. D). Very similar 

 to that of the species. 



Hob. --North Island: Waitakerci Range; Auckland (H. S.) ; 

 \Vaikato (W. W. Smith) ; Ohaupo (Musson) ; Ngaputahi, Tuhoe-land 

 (A. Hamilton) ; Hawke's Bay (W. Colenso) ; Dannevirke (Brooks) ; 

 Forty-mile Bush, type (H. S.).' South Island : Stonyhurst (F. Suter) ; 

 Riccarton Bush ; Little River (H. S.) ; Otarama (A. Suter) ; Hooker 

 Valley ; Dunedin (H. S.) ; Saddle Hill, Taieri (E. Suter) ; The Nuggets, 

 Port Molyneux (A. Hamilton) ; Fortrose (Miss Rich). 



