220 
ANATIDA2. 
Malacorhynchus iodotis Lesson, Echo du Monde Savant, July 21st, 1844, 
col. 128 : New South Wales (c/. Menegaux reprint, 1913, p. 151). 
Anus malacorhyncha Schlegel, Mils. Pays-Ban, vol. iv., Anseres, p. 36, May 
1866: Now South Wales. 
Distr. —Eastern Australia. 
Malacorhynchus mem bran ace us assimilis Mathews. 
Malacorhynchus membranaccus assimilis Mathews, Austral Av. Rec. 
vol. i. p. 86, Sept. 18th, 1912 : Fitzroy River, North-West 
Australia. (Fig. Math. pi. 214.) 
Distr. —Northern Australia. 
Genus STICTONETTA Reichenb. 
Stictonetta Reichenbach, Nat. Syst. Vogel, p. ix, 1852 (1853). Type 
(by original designation) : Anas naevosa Gould. 
Stictonetta naevosa (Gould). 
Distr. —A ustral ia. 
Stictonetta naevosa naevosa (Gould). (27-324.) 
Anas naevosa Gould, Proc. Zool. Soc. Lond. 1840, p. 177, July 1841: 
West Australia. (Fig. Gould, vii. pi. 10; Phillips, pi. 52.) 
Distr .—West Australia. 
Stictonetta naevosa lesueuri Mathews. 
Stictonetta naevosa lesueuri Mathews, Austral Av. Rec. vol. i. pt. 4, 
p. 87, Sept. 18th, 1912: New South Wales. (Fig. Math. pi. 215.) 
Stictonetta brnnda Mathews, Birds Austr. vol. iv. pt. 2, pi. 215, Fob. 17th 
1915 : same bird. 
Distr .—East Australia and Tasmania. 
Genus NYROCA Fleming. 
Nyroca Fleming, Philos. Zool. vol. ii. p. 260, June 1822. Type (bv 
tautonvmy) : Anas nyroca Giildenstadt, 1768, not of Linne= 
Anas rufa L.. 1761 (cf. Austral Av. Rec. vol. iv. p. 136.) 
Aythya Boio, Isis, May 1822, heft v. col. 564. Type (by subsequent designation 
of Gray, 1855, p. 124): A. ferina LinniS. Not ASthia Merrein, Vers. Grundr. 
Allg. Geach. pp. 7, 13, 20, 1788. 
Ilyonetta Heine Reichenow, Nomencl. Mua. Heine, p. 347 (pref. Sept. 1890) : 
new name for Nyroca. 
Nyroca australis Eyton. 
Distr .—Australia and New Zealand. 
Nyroca australis australis Eyton. (27-350.) 
Nyroca australis Eyton, Monogr. Anat. p. 160, June 1838: New 
South Wales. (Fig. Gould, vii. pi. 16; Math. pi. 216; Phillips, 
pi. 61.) 
Distr. —East Australia and New Zealand. 
