574 Zoological Society. 



Face, ear-coverts and throat jet black, bounded below with a nar- 

 row line of white ; crown of the head sooty black, gradually passing 

 into the deep gray which covers the whole of the upper surface, wings 

 and tail ; the latter tipped with white ; all the under surface very 

 delicate gray ; thighs dark gray ; irides blackish brown ; bill blue at 

 the base, becoming black at the tip ; legs and feet mealy bluish gray. 

 Total length, 6^ inches ; bill, 1 ; wing, 5 ; tail, 3 ; tarsi, f . About 

 the size and having much the contour of Ocypt. superciliosus . It is 

 one of the finest and best-marked species of the genus, the jet black 

 colouring of the face and throat distinguishing it from every other. 

 The sexes are nearly alike in colour. 



Hab. Southern and Western Australia. 



Ptilotis plumulus. Ptil. loris nigris : plumis auricularihusfuscis, 

 infra has penicillis duobus, uno angustissimo et nigro, altera lato 

 et nitidejiavo. 



Crown of the head and all the upper surface olive-yellow, ap- 

 proaching to gray on the back ; lores black ; ear- coverts, throat and 

 under surface yellowish gray, faintly striated with a darker tint ; 

 behind the ear two tufts, the upper of which is narrow and black, 

 the lower more spread over the sides of the neck, and of a beautiful 

 yellow ; primaries and tail-feathers brown, margined with bright 

 olive-yellow ; irides very dark reddish brown ; bill black ; legs and 

 feet apple-green. 



Total length, 4| inches ; bill, | ; wing, 3;^ ; tail, 2| ; tarsi, |. 



Hab. Western Australia. 



Hemipodius velox. Hem. gutture, pectore et lateribus pallide 

 arenaceo-fuscescentibus ; facie, vertice, et plumis auricularibus 

 castaneo-rufis. 



Female. — Head, ear-coverts, and all the upper surface, chestnut- 

 red ; crown of the head with a longitudinal buff mark down the centre ; 

 feathers of the back, rump, scapularies, and sides of the chest, mar- 

 gined with buff, within which is a narrow line of black running in 

 the same direction ; the feathers of the lower part of the back also 

 crossed by several narrow irregular bands of black ; primaries light 

 brown, margined with buff on their internal edges ; throat, chest, and 

 flanks sandy buff, passing into white on the abdomen ; bill hom- 

 colour; irides straw-white; legs and feet yellowish white. 



Total length, 5 J inches ; bill, J ; wing, 3 ; tarsi, |. 



Hab. Interior of New South Wales. 



The males are much smaller. 



Hemipodius pyrrhothorax. Hem. gutture, pectore et lateribus 



arenaceo-rufis, faciei plumis, nee non aurium tectricibus, albis, 



nigro-marginatis . 



Female. — Crown of the head dark brown, with a line of buff down 



the centre ; feathers surrounding the eye, ear-coverts, and sides of 



the neck, white, edged with black ; back and rump dark brown, 



transversely rayed with bars and freckles of buff and black ; wings 



paler, edged with buff, within which is a line of black ; primaries 



brown, margined with buff; throat, chest, flanks, and under tail- 



