624 LAND AND FRESH-WATER MOLLUSCA OF NEW ZEALAND, 



22 L. NERlTOiDES, Gray, 1849. 



Rei— P.Z.S. 1849, p. 168 ; Zeits. f. Malak. 1852, p. 182, pi. i. 

 ff. 17, 18 ; Jouni. de Conch, ii. p. 205, pi. vl ff. 16, 17; Conch. 

 Icon. ix. Navicella, pi. vin. fF. 34, a, b; Conch. Cab. (2), i. pt. 4, 

 p. 9, pi. n. ff. 10-14; Man. N.Z. Moll. p. 29 ; Trans. N.Z. Inst. 

 xiv. p. 156, pi. IV. f. u (animal), ff. e. p. (radula), &c. 



H a b. — North Island ; Auckland (Greenwood) and Whangarei. 



23 L. lateralis, Gould, sp. 1852. 



Syn. — petiticma, Fischer, 1856; gassiesiana, Fischer, 1856. 



Ref.— U.S. Expl. Exped. xii. p. 153, f. 176, a, b, c, d ; Conch. 

 Icon. ix. Navicella, pi. viii. ff'. 35, a, b ; Journ. de Conch, v. pp. 

 84, 167, pi. III. ff. 10, 11, pi. VII. S. 1, 2 ; Conch. Cab. (2), i. pt. 

 6, p. 9, pi. V. f. 6 ; Man. N.Z. Moll. p. 29, &c. 



H a b. — North Island ; Wangara and Waitangi (Am. Expl. 

 Exped.), Kaiwarra River, near Wellington, Hillyers Creek, near 

 Auckland, and Horokiwi. 



Fam. L I M N /B I D ^. 



Ancylus, Geoffroy, 1767. 

 Geoffroy, Coquilles fluv. terr. environs Paris, p. 122. 



24 A. TASMANicus, Tenison-Woods, 1876. 



Syn. — ? ivoodsi, Johnston, 1879; ? austr aliens, Tate, 1880; 

 ? assimilis, Petterd, 1884 ; ? ohlonga, Petterd, MS. ; ? smithi, Cox, 

 1890. 



Ref.— P.R.S. Tasmania, 1875, p. 70, 1878, p. 25, 1888, pi. v. 

 ff. 1, 3, 4, 5, 7 ; Trans. R.S.S. Australia, iii. p. 102, pi. iv. ff. 4, 

 4a, 4b; Journ. of Conch, iv. pp. 159, 160; Journ. Linn. Soc. 

 Zool. xvi. p. 297, pi. vn. ff. 36, 37 ; P.L.S.N.S.W. (2) iv. p. 658, 

 pi. XIX. ff. 1-3 ; Journ. de Conch, xxxii. p. 248. 



H a b. — South Island ; River Avon (Suter). 



N ote. — Specimens of an Ancylus were discovered in N.Z. by 

 one of us, who compared it with Australian and Tasmanian 

 Ancyli without distinguishing specific differences. With this shell 



