492 Zoological Society. 
ruginous orange ; sides of the chest fine purplish blue, passing into a 
rich vinous tint on the flanks; irides and bill black ; feet orange. 
Total length, 6 inches; bill, 2; wing, 22; tail, 14; tarsi, 2. 
Hab. Port Essington. 
Remark.—This is by far the finest of the Australian Aleyones, and 
is at once distinguished by the rich blue of the upper surface and the 
beautiful vinous colouring of the flanks. 
ALCYONE DIEMENENSIS. Alc. omni superiore corpore intense cyaneo, 
ad uropygium et tectrices caude superiores splendidius ; alis nigris 
cyaneo lavatis ; guld stramined ; vertice nigro indistincté fasciato. 
All the upper surface deep blue, becoming more vivid on the rump 
and upper tail-coverts; wings black, washed with blue; throat buff ; 
under surface of the body and wings ferruginous orange ; on each side 
of the chest a patch of bluish black; lores and a small patch behind 
the ears buff; crown of the head indistinctly barred with black ; 
irides and bill black; feet orange. 
Total length, 64 inches; bill, 2; wing, 33; tail, 1¢; tarsi, 3. 
Hab. Van Diemen’s Land. 
Remark.—Rather more robust than Alcyone azurea or A. pulchra, 
and differing from both in the blue of the upper surface, which is less 
brilliant and of a slight greenish tinge. 
E6psaLtTRia LEUcOGASTER. dps. parvo maculo triangulari ante 
oculum nigro; vertice, corpore superiore, alis cauddque, saturate 
griseis ; corpore inferiore albo. 
Immediately before the eye a small triangular-shaped spot of black ; 
above the eye a faint line of greyish white; crown of the head, all 
the upper surface, wings and tail dark slate-grey; the lateral tail- 
feathers largely tipped with white on their inner webs; all the under 
surface white ; irides dark brown; bill and feet black. 
Total length, 5 inches; bill, 14; wing, 3; tail, 23; tarsi, 7. 
Hab. Western Australia. 
The sexes are alike in plumage. 
Srrepera arcutTa. Strep. toto corpore nigro; remigum apicibus 
fuscis ; crisso, et pogonits internis primariorum secundariorumque 
ad basin et tertie partis apicalis rectricum albis. 
All the plumage black, becoming browner on the tips of. the wing- 
feathers; base of the inner webs of the primaries and secondaries, 
the under tail-coverts and the apical third of the inner webs of the 
tail-feathers white; irides yellow; bill and feet black. 
Total length, 21 inches; bill, 2; wing, 113; tail, 10; tarsi, 23. 
Hab. Van Diemen’s Land. 
Remark.—This is the largest species of the genus I have yet seen. 
SrrREPERA PLUMBEA. Strep. corpore superiore plumbeo-griseo, ad 
frontem loresque multo saturatius; alis nigris; secundariorum 
marginibus griseis, apicibus, et crisso, albis. 
All the upper surface leaden-grey, becoming much darker on 
the forehead and lores; wings black; secondaries margined with 
grey and tipped with white; basal half of the inner webs of the pri- 
maries white, of the outer webs grey; the remainder of their length 
