35 



Group Certhiomorphae. 



Angle of the chin reaching as far as the line of the anterior margin of the 

 nasal suture, but not beyond it ; tongue not extensile ; bill entire, 

 not notched. 



FAMILY CERTHIIDJE. 



Bill either straight and subulate or slender, long and curved ; nostrils 

 basal ; tail never emarginated ; fourth toe coalesced at first phalanx 

 with the middle toe. Principally insectivorous. Breeding in holes. 



SUB-FAMILY OERTHIIN^E. 



Nostrils basal, longitudinal, operculated, exposed ; no nasal and rictal 

 bristles. Insectivorous. 



GENUS CLIMACTERTS. General colouration brown; tail square, soft, 

 and shorter than wing ; one plate on tarsus. 



278. C. llielaniira, Gld., Black- tailed Tree-creeper. 



Fawn-coloured band across wing ; all upper parts uniform 

 brownish-black ; throat black, with white lanceolate stripes. 

 Hab. : 1, (6), 8. 



279. C. melanonota, Gld., Black-backed Tree-creeper. 



Fawn-coloured band across wing ; all upper parts uniform 

 brownish- black ; throat dull white, without stripes. 

 Hab. : 1. 



280. C. rilfa, Gld. , Rufous Tree-creeper. 



Fawn-coloured band across wing ; mantle brown ; centre pair of 

 tail feathers, lower back, and upper tail coverts olive-brown ; under 

 surface rusty-red ; flanks without stripes. 

 Hab. : 8, 9. 



281. C. leilCOphsea, Lath. (C. picumnus), White-throated Tree-creeper. 



Throat white ; fawn-coloured band across wing ; centre pair of 

 tail feathers dark grey. 



Hab. : 2, 3, 4, 6, 7. 



282. C. SCandens, Temm., Brown Tree-creeper. 



Fawn-coloured band across wing ; central pair of tail feathers 

 brown : orbital region brown ; throat brownish or brownish-white. 

 Hab. : 2, 3, 4, 6, 7. 



283. C. pyrrlionota, Gld., Red-backed Tree-creeper. 



Fawn-coloured band across wing ; centre pair of tail feathers dark 

 brown ; lower back and upper tail coverts rich rusty-red, dis- 

 tinguishing it from C. scandens. Male wants rusty patch to cheeks. 

 Hab. : 4, 5, 6. 



284. C. erythrops, Gld., Red-browed Tree-creeper. 



Fawn-coloured band across wing ; mantle brown ; centre pair of 

 tail feathers brownish in male, greyish in female ; lower back and 

 upper tail coverts ruddy grey ; orbital ring rich rusty-red ; dull 

 buff crescent across upper chest. 

 Hab. : 3, 6, 7. 



285. C. SUperciliosa, North, White-browed Tree-creeper. 



Plate, Horn Exp. Cent. Aust., Zool. 



Similar to C. erythrops, with white superciliary band. 



Hab. : 7, 9. 



SUB-FAMILY SITTING. 



Bill straight and subulate, never toothed, but slightly notched ; nostrils 

 in a coriaceous groove ; wing double the length of tail. Insec- 

 tivorous. Breeds in holes. Transverse scales on tarsus. 



