188 
OTIDlDifc.—MEGALORNITHID^;. 
Austrotis australis derbyi (Mathews). 
Choriotis australis derbyi Mathews, Nov. Zool. vol. xviii. p. 226, 
Jan. 31st, 1912: Derby, North-West Australia. (Fig. Math, 
pi. 175.) 
Austrotis australis melvillcnsis Mathews, Austral Ay. Rec. vol. iii. p. 51, 
Nov. 19th, 1915 : Melville Island, Northern Territory. 
Ihstr .—Northern Australia. 
Order MEGALORNITHIFORMES* 
Family M EG A LORN ITHID^E. 
Genus MEGALORNIS Gray. 
Megalornis Gray, List Gen. Birds, 2nd ed. p. 85, Sept. 1841. Type 
(by original designation) : Ardea yrus Linne. 
Genus MATHEWSENA Iredale. 
Mathewsena Iredale, Austral Av. Kec. vol. ii. p. 82, Sept. 24th, 1914: 
new name for Mathew sia Iredale. Type (by original designation): 
Ardea rubicunda Perry. 
Malheicsia Iredale, Bull. Brit. Orn. Club, vol. xxvii. p. 47, Jan. 23rd, 1911. 
Same type (by original designation). Not Matthewsia Sauley, Catal. Coleop. 
vol. ii. p. 745, 1868. 
Mathewsena rubicunda (Perry). 
Distr. —Australia. 
Mathewsena rubicunda rubicunda (Perry). (23-265.) 
Ardea rubicunda Perry, Arcana, pt. vi. pi. 22, June 1S10 : Botany 
Bay, New South Wales. (Fig. Gould, vi. pi. 48.) 
Orus antarctica Illiger, Abh. Ak. Wise. Miinch. 1811-12, p. 230, 1816: New 
South Wales. 
Orus australasianns Gould, Birds Austr. pt. xxx. (vol. vi. pi, 48), March 1st 
1848 : New South Wales. 
Ardea antigone Mathews, Bull. Brit. Orn. Club, vol. xliv. p. 15, Nov. 5th, 1923 : 
as synonym of rubicunda (ex Anon, in Field s Geogr. Mem. N.S.W. p. 441 
1825, nude name). 
• Distr . — Southern Australia* 
Mathewsena rubicunda argentea (Mathews). 
Mathewsia rubicunda argentea Mathews, Nov. Zool. vol. xviii. 
p. 227, Jan. 31st, 1912 : Derby, North-West Australia. (F\s 
pi. 176). 
Distr .— Northern Australia. 
