LEONARDINA. 537 



518. MACRONOUS KETTLEWELLI Guilleinard. 

 KETTLEWELL'S TIT BABBLER. 



Macronus kettlewelli GUILLEMABD. Proc. Zool. Soc. (1885), 262, pi. 18, fig. 

 2; SHARPE, Hand-List (1903), 4, 54; MCGREGOR and WORCESTER, Hand- 

 List (1906), 82. 



Bongao (Everett) ; Sulu (Guillemard, Bourns & Worcester) ; Tawi Tawi 

 (Everett, Bourns & Worcester). 



Adult. Differs from the other Philippine species in having the upper 

 parts nearly uniform brown; shafts whitish; forehead blackish with 

 narrow white shaft-lines ; tail and upper tail-coverts pale chestnut ; under 

 parts nearly uniform pale fawn; sides of throat and body faintly lined 

 with white : webs of the long dorsal feathers partly white next to the 

 white shafts. Length, about 140; wing, 63; tail, 70; bill, 15; tarsus, 

 24.* 



"Rare in Sulu, very common in Tawi Tawi. Found in the forest 

 working in tangled herbage, like the other Philippine members of the 

 genus. Fifteen males average: Length, 150; wing, 64; tail, 61; culmen, 

 18.5 ; tarsus, 23 ; middle toe with claw, 22. Eight females, length, 155 ; 

 wing, 62; tail, 59; culmen, 18; tarsus, 23; middle toe with claw, 21. 

 Iris green; legs and feet light brown, washed with yellow; nails light 

 brown ; upper mandible black, lower gray." (Bourns and Worcester MS.) 



Genus LEONARDINA Mearns, 1905. 



"Bill somewhat depressed, broader than high at base, higher than 

 broad at anterior border of nostrils, equal in height and breadth at 

 posterior edge of nostrils; culmen strongly ridged, curved from base; 

 maxilla with a subterminal notch; nostrils apparently elongate-oval; 

 distance between anterior angle of nostril and tip of bill equal to the 

 length of the hind toe without claw; rictal bristles strongly developed: 

 length of skull equal to that of tarsus ; length of tarsus contained two and 

 one-third times in that of wing; tarsus booted; hind toe with claw less 



* The original description of Hacronous kettlewelli follows : "Brunneus ; dorsi 

 plumis filiformibus, elongatis, versus basin nigricantibus ; rachide, et partibus 

 plumse rachidi adjacentibus, albidis; alis fulvescenti-brunneis, exterius pallidi- 

 oribus; supracaudalibus caudaque pallide castaneis; pileo dorso concolori, rachidi- 

 bus plmnarum albidis; fronte nigricante, magis distincte striata; superciliis, loris 

 et regione parotica nigricantibus, albo lineatis ; genis et corpore toto subtus pallide 

 cervinis; hypochondriis brunnescentibus ; gula summa et abdomine medio albican- 

 tibus; gutture et corporis hiteribus vix albido lineatis; subalaribus pectori con- 

 coloribus; iride smaragdinea; rostro et pedibus brunneis. Long. tot. circa 0.140 

 m : al. 0.063 111 ; caud. 0.070 m; rostr. 0.015 ni : tars. 0.024 in." (Guillemard.) 



