succceding ridges horny yellow, furrows blackish brown; bare orbital skin pale smal t-blue; gular
skin white, tinged with greenish blue.
" I n the female the entire plumage (except the tail, which is pur e white) is jet-black, glossed
o n the wings and back with dull metal l ic green; the mal e differs i n having the front of the neck
l)elow the bare gular patch a somewhat pale rufous buff, whi l e the whole of the rest of the head
and neck are bright chcstnut-eoloured " {Kiime, loc. cit.).
The following arc the measurements as given by Mr. I lume :—
' ' M a l a . — L e n g t h 26incL.es, expanse <ll-5 ; tail from vent 8-25; wing 12 ; wings when closed
reauh to within 4-5 of end of tail; tarsus 2-05 ; middle toe to root of claw 2 5 ; claw only, straight
f r om point to base, 0-7 ; bill from nostril to point iL-5, bill from posterior margin of casque to
point, straight, 5-0; length of casque only, 2'G7; greatest height of upper mandible including
casque l-'i, of casque only 0-6. Weight 1 lb. 3 oz.
L e n g t h 2i inchcs, expanse 37'75 ; tail from vent 8'0; wing 10-75; tarsus 1-8;
middle toe to root of claw 1--Ji; claw only, straight from point to base, O'o5 ; bill f rom nostril to
point 3'0; bill from posterior margin of casque only, 2'6; greatest height of upper mandible
including casque 1'25, of casque only 0-6. "Weight 1 lb."
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