70 BIRDS OF BRITISH GUIANA. 



Genus STICTOMYRMORNIS Chubb. 



Stictomyrmornin Chubb, Bulb Brit. Oru. Cbib, xxxix. p. 59, Feb. 1919. 

 Tvi)e S. nipvlvs (Gmeb). 



Fig. 33. — Stictomyrmornis ncvvins. 



Tlie spoeios that 1 have .«;oparated as a new ocnus under the 

 above tith; liad also been placed by previous authors in the ^enus 

 Ili/pocneniis. It is, however, easily distinouished by its flat and 

 niuscieapine bill, the width of which at the base is about three- 

 fifths the length of the exj^osed culuien. The wing is rounded, 

 the third, fourth, and fifth priuiaries longest and equal, the 

 third shorter than the sixth but longer than the seventh. Tail 

 nearly square, the outer feather on each side being about eight- 

 ninths the length of the middle ones. The feet are suiall, the 

 tarsus is about one-fourth longer than the exj)osed culnien. 

 Coloration : male and female simihir. 



393. Stictomyrmornis naevius. 



SrOT-BACKED AnT-CrEEPER. 



Pijjra ncevia Gmel. Syst. Nat. i. p. 1003, 1789 (Cayenne). 

 Hypocncmis ilicresce (part) Sclater, Cat. B. Brit. Mus. xv. p. 292, 1890 



(Oyapoc, Cayenne). 

 Ilypocnemis ncevia Brabourne & Chubb, B. S. Amer. i. p. 213, no. 2142, 



1912. 



Adult male. Head, upper back, scapulars, and lower back rust- 

 brown, somewhat more rufous on the upper tail-coverts ; the 

 feathers on the middle of the back have white bases which form 

 a concealed dorsal white spot, the apical portion black with a pale 



