200 
They are always found in the densest bush : they brow'se chiefly on 
shrubs, and resemble the Bush-buck in their general habits. 
The average height of an adult male is within a third of an adult 
Koodoo, and very much above that of a Bush-buck. 
The female has no horns, resembles a female Koodoo in form, and 
is rather smaller in size. 
July 23, 1850, 
W. Yarrell, Esq., Y.P., in the Chair. 
The following papers were read :— 
1. On new species of Birds from Australia. 
By J. Gould, F.B.S., F.Z.S. etc. 
On the present occasion I propose to characterize seven more of 
the novelties sent home by Mr. MacGillivray, Naturalist to H.M.S. 
‘Rattlesnake.’ Vide Proceedings, 1849, p. 109. 
Tanysiptera Sylvia. 
Bill and feet sealing-w r ax red; crown of the head, wings, and five 
lateral tail-feathers on each side blue; ear-coverts, back of the neck 
and mantle black; in the centre of the latter a triangular mark of 
white ; rump and two middle tail-feathers pure white ; all the under 
surface cinnamon-red. 
Total length, 15 inches; bill, 1-4; wing, 3-f-; lateral tail-feathers, 
3 ; middle tail-feathers, 9-|-; tarsi, 
Hah. Cape York, Northern Australia. 
Remark. —About the size of T. l)ea. Fine specimens are con¬ 
tained in the British Museum collection. 
Halcyon (Syma?) flavirostris. 
Bill fine yellow, passing into brown at the tip ; crown of the head, 
back of the neck, ear-coverts and flanks cinnamon-red; at the back 
of the neck a narrow, broken collar of black ; throat and lower part 
of the abdomen tawny white ; back and wings sordid green; rump 
and tail greenish blue. 
Total length, 7 inches; bill, 1-J-; wing, 3; tail, 2 \; tarsi, 
Hob. Cape York, Northern Australia. 
Remark. —Smaller, but nearly allied to the Syma Tirotoro of M. 
Lesson. Some specimens have the crown of the head black. Fine 
specimens are contained in the collection at the British Museum. 
Drymodes superciliaris. 
Lores white; immediately above and below T the eye a black mark, 
forming a conspicuous moustache ; crown of the head and upper sur¬ 
face reddish brown, passing into chestnut-red on the rump and six 
middle tail-feathers ; remainder of the tail-feathers black, tipped with 
white; wings black, with the base of the primaries and the tips of 
the coverts white, forming two bands across the wing; throat and 
