Miscellanea . 
443 
Procellaria leucoptera. Proc. vcrtice, corpore superiore , 
alisque , e plumbeo mgris; caudd e plumbeo-cinered; facie , 
gutture corpore inferior e, rectricum pogoniis internis ad 
basim, linedque humerali albis ; tarsis , et membranis inter - 
digitalibus per dimidium basale e carnco-albis. 
Crown of the head, all the upper surface and wings dark slaty 
black 5 tail slate-grey ; greater wing-coverts slightly fringed with 
white; face, throat, all the under surface, the base of the inner 
webs of the primaries and secondaries, and a line along the inner 
edge of the shoulder, pure white ; bill black ; tarsi and basal half 
of the interdigital membrane fleshy white ; remainder of the 
toes and interdigital membrane black. 
Total length, 13 inches ; bill, 1 ; wing, 8^ ; tail, 4; tarsi, 1£ ; 
middle toe and nail, 1§. 
Aptenodytes undina. Apt . corpore superiore , lateribus, 
alisque supeme nitidh ccerulescentibus , per plunias singulas 
lined nigrd longitudinali (latiore in plumis dorsalibus) ; cor¬ 
pore inferiore alisque subtits et ad margincm, rectricumque 
pogoniis internis albis , 
The whole of the upper surface, flanks and upper surface of 
the wings glossy light blue, with a narrow stripe of black down 
the centre of each feather, the black mark being broadest and 
most conspicuous on the back ; all the under surface of the body 
under side, and the inner margin of the upper side of the wing 
and inner webs of the tail-feathers silky white; bill reddish-brown 
beneath, black above ; feet yellowish-white. 
Total length, 13A inches; bill, 1J ; tarsi, 
Hab. Van Diemen’s Land. 
This is less than Ap. minor , to which it is nearly allied. 
For the fine specimen here described I am indebted to R. C. 
Gunn, Esq., who procured it at Circular Head, Van Diemen’s Land. 
June 25, 1844. 
Mr. Gould laid upon the table a number of skins of animals 
and birds, being part of a large collection which Mr. Gilbert had 
lately forwarded to him from Australia. Mr. Gould characterized 
the following species :— 
