MEROPS. 339 



male from northern Mindanao is 762 in length; wing, 360; tail, 235; 

 bill from nostril, 126 ; length of casque at base, 76 ; tarsus, 50. A 

 female is 620 in length; wing, 290; tail, 220; bill from nostril, 89; 

 length of casque at base, 57; tarsus, 49. 



302. CRANIORRHINUS WALDENI Sharpe. 

 WALDEN'S HORNBILL. 



Craniorrhinus waldeni Sharpe, Trans. Linn. Soc. (1877), 1, 322. 



Cranorrhinus waldeni Grant, Cat. Birds Brit. Mus. (1892). 17, 380: 

 Sharpe, Hand-List (1900), 2, 65; McGregor and Worcester, Hand- 

 List (1906), 56. 



Guimaras (Steere Exp.) ; Negros (Steere Exp., Keay, Whitehead) ; Panay 

 {Steere, Steere Exp., Bourns d Worcester) . 



"Adult male. — Head, neck, and chest dark chestnut, the feathers next 

 the naked parts of the face and throat inclining to buff; tail white 

 (stained rufous), the basal third and the tips of the feathers black; rest 

 of the plumage black, the upper parts glossed with dark green; naked 

 skin round the eye and on the throat yellow ; iris red ; legs and feet black ; 

 bill and casque red, except toward the end; base of the lower mandible 

 covered by a plate with dark-colored oblique grooves; casque transversely 

 folded. Length, 724 ; wing, 345 ; tail, 254 ; tarsus, 51. 



"Adult female. — Differs from the male in having all the plumage of 

 the head and neck black, and the casque without transverse folds; naked 

 skin appears to have been black mixed with yellow. Length, 673; wing, 

 310; tail, 218; tarsus, 48.'' (Grant.) 



"Hornbills, almost certainly of this species, were seen by the Steere 

 expedition in Negros, but no specimens were obtained." (Bourns and 

 Worcester MS.) 



Suborder MEROPES. 



Family MEROPID^. 



Bill long, slender, pointed, and gently curved downward for its entire 

 length; a well-defined ridge on culmen; tarsi short and unfeathered; 

 fourth and third toes united to last joint; second toe united to middle 

 toe for basal Joint only; eggs white, deposited in holes in sandy ground, 

 the birds usually nesting in colonies. 



Genus MEROPS Linnanis, 1758. 



Tail moderate, composed of twelve feathers, middle pair slender and 

 prolonged beyond the others; wing moderately long and pointed, first 

 primary very short, second longest. 



Species. 



a\ Mantle and crown chestnut ; throat pale green americanus (p. 340) 



a". Mantle and crown green; throat largely chestnut philippinus (p. 341) 



