Order ANATIFORMS. 
Family AN DTI ADA. 
No. 128. 
XENONETTA NESIOTIS. 
(Plate 96). 
CAMPBELL ISLAND DUCK. 
1935. Xenonetta Fleming, Occas. Papers Roy. Ont-. Mus. Zool., No. 1, June 22nd, 1935. 
Orthotype Nesonetta nesiotis Fleming, ib. (new genus and species) 
Distribution. Campbell Island, New Zealand. 
“ Bill narrow, not broad as in Nesonetta ; culman line and sides of the maxilla 
nearly straight; lamellae and maxillary flap poorly developed; nail shorter 
and rounder than in Nesonetta ; nasal openings small and oval. Mandible narrow, 
the gnathidia compressed at the base. Wings short, the shafts weak; tail 
wedge-shaped, the shafts stiff. Tarsi reticulate ” (Fleming). 
The following is the original description of the type collected on Campbell 
Island in 1886. 
“ Adult. Head and neck sepia, darker on the hind neck ; back and upper 
tail-coverts sepia, with faint edgings of Avarrn sepia, this colour predominant on 
the under tail-coverts. 
“ Under-parts more Saccardo’s umber than sepia, and without spots or 
vermiculations ; lower breast and abdomen with faint edgings of light buff. 
“ Wings dark sepia, with no visible speculum, the primaries dark sepia 
on outer web and edged with sepia, the inner webs lighter ; the shafts warm 
umber. Under wing-coverts umber with light buff edgings, producing a mottled 
effect; axillars light buff with two centre spots of sepia. 
“ Tail-feathers dark sepia with indistinct sepia edgings, the tail much 
shortened by wear, the shafts very stiff. 
“ Bill in dried skin, blackish-brown, a large triangular patch of cinnamon- 
buff extending from the base of the maxilla to a line drawn in front of the 
nostrils ; the nail umber. 
“ Tarsi and toes in dried skin, blackish-brown with traces of cinnamon-buff 
on the edges of the toes, the webs blackish-brown. Length in dried skin, 348 : 
culmen 35, wing 133, tail much worn, 64, tarsus 30, middle toe and claw 46. 
